1381:
1096:
Waszczak, Adam; Chang, Chan-Kao; Ofek, Eran O.; Laher, Russ; Masci, Frank; Levitan, David; et al. (September 2015). "Asteroid Light Curves from the
Palomar Transient Factory Survey: Rotation Periods and Phase Functions from Sparse Photometry".
1150:
Veres, Peter; Jedicke, Robert; Fitzsimmons, Alan; Denneau, Larry; Granvik, Mikael; Bolin, Bryce; et al. (November 2015). "Absolute magnitudes and slope parameters for 250,000 asteroids observed by Pan-STARRS PS1 - Preliminary results".
1033:
Mainzer, A.; Grav, T.; Masiero, J.; Hand, E.; Bauer, J.; Tholen, D.; et al. (November 2011). "NEOWISE Studies of
Spectrophotometrically Classified Asteroids: Preliminary Results".
973:
Masiero, Joseph R.; Grav, T.; Mainzer, A. K.; Nugent, C. R.; Bauer, J. M.; Stevenson, R.; et al. (August 2014). "Main-belt
Asteroids with WISE/NEOWISE: Near-infrared Albedos".
1810:
648:
1800:
1795:
1520:
1455:
1820:
1785:
547:
325:
1513:
1448:
872:
1481:
1230:
107:
1805:
717:
1506:
1637:
1441:
1300:
32:
302:
1569:
231:
1790:
1728:
1815:
1402:
500:
41:
37:
1554:
946:
1718:
1708:
632:
496:
1713:
848:
687:
52:
1549:
78:
1733:
1617:
1529:
1375:
1078:
636:
551:
423:
369:
333:
220:
207:
199:
1266:
1654:
780:
683:
812:
1559:
1464:
753:
695:
524:
314:
185:
94:
1627:
1363:
1339:
1331:
1316:
1170:
1116:
1052:
992:
588:
242:
1355:
1347:
1322:
905:
880:
775:
725:
592:
543:
512:
504:
291:
148:
57:
1186:
1160:
1132:
1106:
1068:
1042:
1008:
982:
737:
736:, the parent body of the Flora family – and calculates a diameter of 5.41 kilometers based on an
640:
628:
620:
440:
1410:
1241:
771:
611:
taken at
Palomar in December 1954, nearly 6 years prior to its official discovery observation.
1612:
1564:
1204:
700:
580:
213:
173:
1738:
1394:
1386:
1178:
1124:
1060:
1000:
758:
555:
390:
165:
1426:
1659:
1602:
1587:
1370:
1304:
691:
663:
604:
584:
569:
539:
520:
516:
429:
193:
1310:
1174:
1120:
1056:
996:
1674:
1642:
1607:
1418:
1380:
1293:
596:
272:
253:
1297:
1004:
1779:
1698:
1597:
1592:
1475:
1128:
1064:
1012:
492:
1190:
1072:
766:. The Sijthoff family backed the 1934 construction of the "Sijthoff Planetarium" in
1764:
1537:
1136:
749:
576:
559:
495:, approximately 5 kilometers (3.1 miles) in diameter. It was discovered during the
265:
156:
141:
125:
1182:
844:
523:
of 4.607 hours. It was named after Dutch publisher and popularizer of astronomy,
1754:
1703:
1664:
763:
508:
280:
45:
724:
measures between 5.030 and 5.205 kilometers in diameter and its surface has an
1723:
1669:
1487:
675:
644:
177:
1759:
1649:
1498:
767:
608:
345:
131:
1433:
1579:
600:
488:
733:
713:
564:
1165:
1111:
1690:
1047:
987:
381:
1502:
1437:
639:(also known as the 48-inch Schmidt Telescope), and shipped the
643:
to Ingrid and
Cornelis van Houten at Leiden Observatory where
647:
was carried out. The trio are credited with the discovery of
572:
and the largest family of stony asteroids in the main-belt.
845:"JPL Small-Body Database Browser: 3201 Sijthoff (6560 P-L)"
558:, the asteroid has also been classified as a member of the
1317:
666:, according to its classification to the Flora family.
762:, who promoted the popularization of astronomy in the
774:. The official naming citation was published by the
1747:
1689:
1626:
1578:
1536:
694:of 4.607 hours with a brightness amplitude of 0.29
438:
421:
388:
367:
331:
324:
312:
300:
290:
278:
263:
251:
241:
229:
219:
206:
192:
164:
123:
105:
88:
76:
71:
63:
51:
31:
26:
770:which burned down in 1975 and was replaced by the
686:observations in the S-band by astronomers at the
1091:
1089:
1087:
900:
898:
968:
966:
964:
1514:
1449:
583:once every 3 years and 5 months (1,239 days;
8:
1240:(in Dutch). Omniversum. 2010. Archived from
807:
805:
803:
801:
799:
797:
579:asteroid belt at a distance of 2.1–2.5
21:
1801:Discoveries by Ingrid van Houten-Groeneveld
1796:Discoveries by Cornelis Johannes van Houten
712:According to the survey carried out by the
1542:
1521:
1507:
1499:
1456:
1442:
1434:
1379:
906:"Asteroid 3201 Sijthoff – Proper Elements"
690:in California. Lightcurve analysis gave a
515:in California, United States. The assumed
1164:
1110:
1046:
986:
839:
837:
835:
833:
756:, publisher of the independent newspaper
732:assumes an albedo of 0.24 – derived from
1811:Discoveries by the Palomar–Leiden survey
867:
865:
1821:Astronomical objects discovered in 1960
1786:Minor planet object articles (numbered)
793:
1028:
1026:
1024:
1022:
941:
939:
937:
935:
933:
931:
929:
927:
925:
923:
730:Collaborative Asteroid Lightcurve Link
627:, named after Palomar Observatory and
20:
949:. Asteroid Lightcurve Database (LCDB)
649:several thousand asteroid discoveries
635:in the 1960s. Gehrels used Palomar's
631:, which collaborated on the fruitful
303:Longitude of ascending node
7:
1238:Omniversum event locatie van formaat
908:. AstDyS-2, Asteroids – Dynamic Site
1384:
1294:Asteroid Lightcurve Database (LCDB)
877:Nesvorny HCM Asteroid Families V3.0
718:Wide-field Infrared Survey Explorer
587:of 2.26 AU). Its orbit has an
14:
1327:AstDyS-2, Asteroids—Dynamic Site
1311:Dictionary of Minor Planet Names
554:. Based on osculating Keplerian
947:"LCDB Data for (3201) Sijthoff"
728:between 0.2164 and 0.231. The
674:In October 2011, a rotational
548:hierarchical clustering method
491:from the inner regions of the
1:
487:, is a background or Florian
1183:10.1016/j.icarus.2015.08.007
542:asteroid of the main belt's
1005:10.1088/0004-637X/791/2/121
315:Argument of perihelion
1837:
1806:Discoveries by Tom Gehrels
1205:"Minor Planet Discoverers"
1129:10.1088/0004-6256/150/3/75
1065:10.1088/0004-637X/741/2/90
873:"Small Bodies Data Ferret"
813:"3201 Sijthoff (6560 P-L)"
483:, provisional designation
126:Minor planet category
1545:
1530:Small Solar System bodies
1471:
1035:The Astrophysical Journal
975:The Astrophysical Journal
849:Jet Propulsion Laboratory
688:Palomar Transient Factory
575:It orbits the Sun in the
499:on 24 September 1960, by
474:
254:Orbital period (sidereal)
184:
172:
1303:16 December 2017 at the
1099:The Astronomical Journal
847:(2017-06-03 last obs.).
655:Physical characteristics
531:Orbit and classification
441:Absolute magnitude
326:Physical characteristics
108:Alternative designations
1465:Minor planets navigator
1376:JPL Small-Body Database
637:Samuel Oschin telescope
552:proper orbital elements
370:Synodic rotation period
166:Orbital characteristics
1655:Trans-Neptunian object
1340:Observation prediction
1319:– Minor Planet Center
1267:"MPC/MPO/MPS Archive"
754:Albert Georg Sijthoff
633:Palomar–Leiden survey
615:Palomar–Leiden survey
544:background population
525:Albert Georg Sijthoff
497:Palomar–Leiden survey
186:Uncertainty parameter
95:Albert Georg Sijthoff
1791:Background asteroids
1628:Distant minor planet
778:on 5 November 1987 (
599:with respect to the
79:MPC designation
1816:Named minor planets
1427:Physical parameters
1271:Minor Planet Center
1209:Minor Planet Center
1175:2015Icar..261...34V
1121:2015AJ....150...75W
1057:2011ApJ...741...90M
997:2014ApJ...791..121M
817:Minor Planet Center
776:Minor Planet Center
708:Diameter and albedo
641:photographic plates
513:Palomar Observatory
505:Cornelis van Houten
64:Discovery date
53:Discovery site
23:
1364:Observational info
738:absolute magnitude
716:mission of NASA's
682:was obtained from
629:Leiden Observatory
621:survey designation
546:when applying the
33:Discovered by
16:Main-belt asteroid
1773:
1772:
1685:
1684:
1570:Meanings of names
1496:
1495:
623:"P-L" stands for
478:
477:
259:3.39 yr (1,239 d)
100:(Dutch publisher)
67:24 September 1960
1828:
1543:
1523:
1516:
1509:
1500:
1458:
1451:
1444:
1435:
1419:Orbital elements
1383:
1282:
1281:
1279:
1277:
1263:
1257:
1256:
1254:
1252:
1246:
1235:
1227:
1221:
1220:
1218:
1216:
1201:
1195:
1194:
1168:
1147:
1141:
1140:
1114:
1093:
1082:
1076:
1050:
1030:
1017:
1016:
990:
970:
959:
958:
956:
954:
943:
918:
917:
915:
913:
902:
893:
892:
890:
888:
883:on 2 August 2017
879:. Archived from
869:
860:
859:
857:
855:
841:
828:
827:
825:
823:
809:
784:
759:Haagsche Courant
752:was named after
703:
567:
556:orbital elements
486:
470:
467:
465:
457:
455:
434:
417:
414:
410:
408:
402:
400:
391:Geometric albedo
384:
379:
363:
360:
356:
354:
348:
343:
286:0° 17 25.8 / day
160:
145:
101:
42:I. van Houten-G.
38:C. J. van Houten
27:Discovery
24:
1836:
1835:
1831:
1830:
1829:
1827:
1826:
1825:
1776:
1775:
1774:
1769:
1743:
1681:
1622:
1574:
1532:
1527:
1497:
1492:
1467:
1462:
1356:Proper elements
1305:Wayback Machine
1290:
1285:
1275:
1273:
1265:
1264:
1260:
1250:
1248:
1247:on 14 July 2010
1244:
1233:
1229:
1228:
1224:
1214:
1212:
1203:
1202:
1198:
1149:
1148:
1144:
1095:
1094:
1085:
1032:
1031:
1020:
972:
971:
962:
952:
950:
945:
944:
921:
911:
909:
904:
903:
896:
886:
884:
871:
870:
863:
853:
851:
843:
842:
831:
821:
819:
811:
810:
795:
791:
779:
746:
710:
699:
692:rotation period
672:
670:Rotation period
664:S-type asteroid
657:
617:
605:observation arc
591:of 0.09 and an
585:semi-major axis
570:asteroid family
563:
533:
521:rotation period
517:S-type asteroid
507:at Leiden, and
484:
468:
463:
461:
460:
458:
453:
451:
450:
446:
432:
426:
415:
412:
411:
406:
404:
403:
398:
396:
393:
377:
375:
372:
361:
358:
357:
352:
350:
349:
341:
339:
336:
317:
305:
283:
268:
256:
234:
232:Semi-major axis
194:Observation arc
176:23 March 2018 (
147:
146:
139:
128:
118:
110:
99:
98:
91:
84:(3201) Sijthoff
81:
44:
40:
17:
12:
11:
5:
1834:
1832:
1824:
1823:
1818:
1813:
1808:
1803:
1798:
1793:
1788:
1778:
1777:
1771:
1770:
1768:
1767:
1762:
1757:
1751:
1749:
1745:
1744:
1742:
1741:
1736:
1731:
1729:Near-parabolic
1726:
1721:
1716:
1711:
1706:
1701:
1695:
1693:
1687:
1686:
1683:
1682:
1680:
1679:
1678:
1677:
1675:Scattered disc
1672:
1667:
1662:
1652:
1647:
1646:
1645:
1643:Neptune trojan
1640:
1632:
1630:
1624:
1623:
1621:
1620:
1618:Spectral types
1615:
1610:
1608:Jupiter trojan
1605:
1600:
1595:
1590:
1584:
1582:
1576:
1575:
1573:
1572:
1567:
1562:
1557:
1552:
1546:
1540:
1534:
1533:
1528:
1526:
1525:
1518:
1511:
1503:
1494:
1493:
1491:
1490:
1485:
1478:
1476:3200 Phaethon
1472:
1469:
1468:
1463:
1461:
1460:
1453:
1446:
1438:
1432:
1431:
1430:
1429:
1387:Close approach
1368:
1367:
1366:
1320:
1314:
1313:, Google books
1308:
1296:, query form (
1289:
1288:External links
1286:
1284:
1283:
1258:
1231:"Geschiedenis"
1222:
1196:
1142:
1083:
1018:
960:
919:
894:
861:
829:
792:
790:
787:
745:
742:
709:
706:
671:
668:
662:is an assumed
656:
653:
625:Palomar–Leiden
616:
613:
607:begins with a
532:
529:
476:
475:
472:
471:
447:
439:
436:
435:
427:
422:
419:
418:
394:
389:
386:
385:
373:
368:
365:
364:
337:
332:
329:
328:
322:
321:
318:
313:
310:
309:
306:
301:
298:
297:
294:
288:
287:
284:
279:
276:
275:
269:
264:
261:
260:
257:
252:
249:
248:
245:
239:
238:
235:
230:
227:
226:
223:
217:
216:
210:
204:
203:
196:
190:
189:
182:
181:
170:
169:
162:
161:
129:
124:
121:
120:
113:6560 P-L
111:
106:
103:
102:
92:
89:
86:
85:
82:
77:
74:
73:
69:
68:
65:
61:
60:
55:
49:
48:
35:
29:
28:
15:
13:
10:
9:
6:
4:
3:
2:
1833:
1822:
1819:
1817:
1814:
1812:
1809:
1807:
1804:
1802:
1799:
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1792:
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1781:
1766:
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1761:
1758:
1756:
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1752:
1750:
1746:
1740:
1737:
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1732:
1730:
1727:
1725:
1722:
1720:
1717:
1715:
1712:
1710:
1707:
1705:
1702:
1700:
1697:
1696:
1694:
1692:
1688:
1676:
1673:
1671:
1668:
1666:
1663:
1661:
1658:
1657:
1656:
1653:
1651:
1648:
1644:
1641:
1639:
1636:
1635:
1634:
1633:
1631:
1629:
1625:
1619:
1616:
1614:
1611:
1609:
1606:
1604:
1601:
1599:
1598:Asteroid belt
1596:
1594:
1593:Aten asteroid
1591:
1589:
1586:
1585:
1583:
1581:
1577:
1571:
1568:
1566:
1563:
1561:
1558:
1556:
1553:
1551:
1548:
1547:
1544:
1541:
1539:
1538:Minor planets
1535:
1531:
1524:
1519:
1517:
1512:
1510:
1505:
1504:
1501:
1489:
1486:
1484:
1483:
1482:3201 Sijthoff
1479:
1477:
1474:
1473:
1470:
1466:
1459:
1454:
1452:
1447:
1445:
1440:
1439:
1436:
1428:
1424:
1420:
1416:
1412:
1411:Orbit diagram
1408:
1404:
1400:
1396:
1392:
1388:
1385:
1382:
1378:
1377:
1372:
1371:3201 Sijthoff
1369:
1365:
1361:
1357:
1353:
1349:
1345:
1341:
1337:
1333:
1330:
1329:
1328:
1324:
1323:3201 Sijthoff
1321:
1318:
1315:
1312:
1309:
1306:
1302:
1299:
1295:
1292:
1291:
1287:
1272:
1268:
1262:
1259:
1243:
1239:
1232:
1226:
1223:
1210:
1206:
1200:
1197:
1192:
1188:
1184:
1180:
1176:
1172:
1167:
1162:
1158:
1154:
1146:
1143:
1138:
1134:
1130:
1126:
1122:
1118:
1113:
1108:
1104:
1100:
1092:
1090:
1088:
1084:
1080:
1074:
1070:
1066:
1062:
1058:
1054:
1049:
1044:
1040:
1036:
1029:
1027:
1025:
1023:
1019:
1014:
1010:
1006:
1002:
998:
994:
989:
984:
980:
976:
969:
967:
965:
961:
948:
942:
940:
938:
936:
934:
932:
930:
928:
926:
924:
920:
907:
901:
899:
895:
882:
878:
874:
868:
866:
862:
850:
846:
840:
838:
836:
834:
830:
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814:
808:
806:
804:
802:
800:
798:
794:
788:
786:
782:
777:
773:
769:
765:
761:
760:
755:
751:
743:
741:
739:
735:
731:
727:
723:
719:
715:
707:
705:
702:
697:
693:
689:
685:
681:
677:
669:
667:
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661:
654:
652:
650:
646:
642:
638:
634:
630:
626:
622:
614:
612:
610:
606:
603:. The body's
602:
598:
594:
590:
586:
582:
578:
573:
571:
566:
561:
557:
553:
549:
545:
541:
537:
530:
528:
526:
522:
518:
514:
510:
506:
502:
498:
494:
493:asteroid belt
490:
482:
481:3201 Sijthoff
473:
448:
445:
444:
437:
431:
428:
425:
424:Spectral type
420:
395:
392:
387:
383:
374:
371:
366:
355:0.042 km
347:
338:
335:
334:Mean diameter
330:
327:
323:
319:
316:
311:
307:
304:
299:
295:
293:
289:
285:
282:
277:
274:
270:
267:
262:
258:
255:
250:
246:
244:
240:
236:
233:
228:
224:
222:
218:
215:
211:
209:
205:
201:
197:
195:
191:
187:
183:
179:
175:
171:
167:
163:
158:
154:
151:
150:
143:
137:
134:
133:
130:
127:
122:
116:
112:
109:
104:
96:
93:
87:
83:
80:
75:
70:
66:
62:
59:
56:
54:
50:
47:
43:
39:
36:
34:
30:
25:
22:3201 Sijthoff
19:
1765:Space debris
1480:
1422:
1414:
1406:
1398:
1390:
1374:
1359:
1351:
1348:Orbital info
1343:
1335:
1326:
1274:. Retrieved
1270:
1261:
1249:. Retrieved
1242:the original
1237:
1225:
1213:. Retrieved
1208:
1199:
1156:
1152:
1145:
1102:
1098:
1038:
1034:
978:
974:
951:. Retrieved
910:. Retrieved
885:. Retrieved
881:the original
876:
852:. Retrieved
820:. Retrieved
816:
757:
750:minor planet
747:
734:8 Flora
729:
721:
711:
679:
673:
659:
658:
624:
618:
589:eccentricity
574:
560:Flora family
535:
534:
480:
479:
442:
380:0.0016
362:(calculated)
359:5.41 km
266:Mean anomaly
243:Eccentricity
152:
135:
117: 1969 FE
114:
72:Designations
58:Palomar Obs.
18:
1755:Cosmic dust
1719:Long-period
1709:Halley-type
1665:Kuiper belt
1550:Designation
764:Netherlands
684:photometric
593:inclination
568:), a giant
509:Tom Gehrels
344:0.053
292:Inclination
281:Mean motion
90:Named after
1780:Categories
1760:Meteoroids
1739:Sungrazing
1714:Hyperbolic
1670:Oort cloud
1613:Near-Earth
1488:3202 Graff
1166:1506.00762
1112:1504.04041
912:29 October
789:References
772:Omniversum
676:lightcurve
645:astrometry
221:Perihelion
202:(22,809 d)
180:2458200.5)
149:background
46:T. Gehrels
1650:Damocloid
1403:Ephemeris
1395:Discovery
1332:Ephemeris
1251:30 August
1159:: 34–47.
1105:(3): 35.
1048:1109.6407
1041:(2): 25.
1013:119293330
988:1406.6645
981:(2): 11.
768:the Hague
740:of 13.5.
696:magnitude
609:precovery
538:is a non-
433:(assumed)
416:(assumed)
237:2.2579 AU
225:2.0605 AU
132:main-belt
1734:Periodic
1660:Detached
1580:Asteroid
1301:Archived
1191:53493339
1073:35447010
722:Sijthoff
680:Sijthoff
660:Sijthoff
601:ecliptic
536:Sijthoff
489:asteroid
485:6560 P-L
208:Aphelion
1699:Extinct
1638:Centaur
1373:at the
1171:Bibcode
1137:8342929
1117:Bibcode
1079:catalog
1053:Bibcode
993:Bibcode
714:NEOWISE
550:to its
320:53.275°
308:109.47°
296:2.9903°
212:2.4553
168:
159:
119:1979 DP
97:
1691:Comets
1603:Family
1588:Active
1555:Groups
1423:·
1421:
1415:·
1413:
1407:·
1405:
1399:·
1397:
1391:·
1389:
1360:·
1358:
1352:·
1350:
1344:·
1342:
1336:·
1334:
1211:. 2018
1189:
1153:Icarus
1135:
1071:
1011:
781:M.P.C.
744:Naming
726:albedo
540:family
519:has a
501:Ingrid
462:14.158
401:0.0355
397:0.2164
271:179.37
247:0.0874
198:62.45
153:·
136:·
115:·
1748:Other
1704:Great
1425:
1417:
1409:
1401:
1393:
1362:
1354:
1346:
1338:
1276:2 May
1245:(PDF)
1234:(PDF)
1215:2 May
1187:S2CID
1161:arXiv
1133:S2CID
1107:arXiv
1069:S2CID
1043:arXiv
1009:S2CID
983:arXiv
953:2 May
887:2 May
854:2 May
822:2 May
783:12458
748:This
577:inner
466:0.004
452:13.62
409:0.047
405:0.231
376:4.607
351:5.205
340:5.030
174:Epoch
157:Flora
155:
142:inner
138:
1724:Lost
1565:Moon
1560:List
1298:info
1278:2018
1253:2010
1217:2018
955:2018
914:2019
889:2018
856:2018
824:2018
619:The
595:of 3
503:and
459:13.7
456:0.41
449:13.5
413:0.24
1325:at
1179:doi
1157:261
1125:doi
1103:150
1061:doi
1039:741
1001:doi
979:791
785:).
704:).
701:U=2
678:of
565:402
511:at
469:(S)
443:(H)
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1177:.
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1021:^
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963:^
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864:^
832:^
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796:^
720:,
651:.
581:AU
527:.
346:km
214:AU
200:yr
178:JD
1522:e
1515:t
1508:v
1457:e
1450:t
1443:v
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597:°
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454:±
430:S
407:±
399:±
382:h
378:±
353:±
342:±
273:°
188:0
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140:(
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