1379:
1079:
Masiero, Joseph R.; Mainzer, A. K.; Grav, T.; Bauer, J. M.; Cutri, R. M.; Nugent, C.; et al. (November 2012). "Preliminary
Analysis of WISE/NEOWISE 3-Band Cryogenic and Post-cryogenic Observations of Main Belt Asteroids".
1027:
Mainzer, A.; Grav, T.; Masiero, J.; Hand, E.; Bauer, J.; Tholen, D.; et al. (November 2011). "NEOWISE Studies of
Spectrophotometrically Classified Asteroids: Preliminary Results".
941:
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".
1518:
1453:
1808:
1783:
641:
336:
640:, the first university in Finland, the construction of various new towns and many schools, and the publication of the first Finnish Bible. The official
1511:
1446:
860:
1479:
1793:
100:
1132:
Usui, Fumihiko; Kuroda, Daisuke; Müller, Thomas G.; Hasegawa, Sunao; Ishiguro, Masateru; Ootsubo, Takafumi; et al. (October 2011).
729:
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1803:
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1292:
32:
313:
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1165:
242:
1788:
1726:
889:
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1400:
1552:
49:
1716:
1706:
844:
532:, approximately 14 kilometers (9 miles) in diameter. It was discovered on 12 February 1942, by Finnish astronomer
1711:
813:
633:
44:
1547:
70:
703:
1731:
1615:
1527:
1373:
476:
397:
344:
231:
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1220:
1652:
650:
637:
609:
775:
1557:
1462:
689:
629:
549:
325:
196:
87:
1625:
1361:
1337:
1329:
1314:
1194:
1145:
1099:
1046:
1002:
993:
Tedesco, E. F.; Noah, P. V.; Noah, M.; Price, S. D. (October 2004). "IRAS Minor Planet Survey V6.0".
960:
585:
482:
253:
1185:
Stephens, Robert D.; Warner, Brian D. (April 2013). "Lightcurves for 110 Lydia and 1680 Per Brahe".
1353:
1345:
1320:
914:
741:
645:
589:
569:
302:
170:
1250:
1089:
1036:
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494:
1408:
1610:
1562:
1202:
856:
725:
708:
694:
577:
537:
224:
184:
1736:
1392:
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1107:
1054:
968:
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426:
177:
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685:
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613:
581:
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545:
541:
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204:
1302:
1198:
1149:
1103:
1050:
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964:
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1605:
1485:
1416:
1378:
1285:
1246:
593:
283:
264:
1289:
972:
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1696:
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1590:
1111:
1058:
529:
1762:
1535:
852:
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573:
533:
276:
164:
148:
37:
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1752:
1701:
1662:
1308:
740:
measures between 13.96 and 18.29 kilometers in diameter, and its surface has an
291:
1169:
706:
in 2005 and 2006, gave a similar period of 3.444 and 3.44 hours, respectively.(
636:
of
Finland in the 17th century. His prosperous legacy saw the establishment of
1721:
1667:
669:
188:
1206:
1158:
1133:
1757:
1647:
1496:
748:
derives a higher albedo of 0.341 and a diameter of 14.36 kilometers with an
720:
According to the surveys carried out by the
Infrared Astronomical Satellite
356:
154:
1431:
1577:
597:
525:
733:
688:
of 3.426 and 3.428 hours with a brightness variation of 0.13 and 0.017
1134:"Asteroid Catalog Using Akari: AKARI/IRC Mid-Infrared Asteroid Survey"
1688:
1094:
1041:
955:
721:
409:
1500:
1435:
810:"JPL Small-Body Database Browser: 1680 Per Brahe (1942 CH)"
548:
of 3.4 hours. It is named after
Swedish count and governor
1315:
1247:"Asteroids and comets rotation curves – (1680) Per Brahe"
616:
by 40 years prior to its official discovery observation.
1745:
1687:
1624:
1576:
1534:
841:
Dictionary of Minor Planet Names – (1680) Per Brahe
492:
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424:
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342:
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311:
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146:
98:
80:
68:
63:
55:
43:
31:
26:
1180:
1178:
1138:Publications of the Astronomical Society of Japan
909:
907:
1074:
1072:
1070:
1068:
936:
934:
932:
839:Schmadel, Lutz D. (2007). "(1680) per Brahe".
1512:
1447:
580:once every 4 years and 6 months (1,643 days;
8:
770:
768:
766:
764:
21:
915:"Asteroid 1680 Per Brahe – Proper Elements"
1540:
1519:
1505:
1497:
1454:
1440:
1432:
1377:
834:
832:
830:
1309:Asteroids and comets rotation curves, CdR
1157:
1093:
1040:
954:
804:
802:
800:
798:
796:
1127:
1125:
1123:
1121:
576:main-belt at a distance of 2.2–3.2
1809:Astronomical objects discovered in 1942
1784:Minor planet object articles (numbered)
1311:– Observatoire de Genève, Raoul Behrend
988:
986:
984:
982:
760:
698:). Previously, lightcurves obtained by
1022:
1020:
1018:
1016:
884:
882:
880:
878:
876:
874:
872:
746:Collaborative Asteroid Lightcurve Link
676:were obtained by American astronomers
20:
892:. Asteroid Lightcurve Database (LCDB)
314:Longitude of ascending node
7:
917:. AstDyS-2, Asteroids – Dynamic Site
1382:
1286:Asteroid Lightcurve Database (LCDB)
730:Wide-field Infrared Survey Explorer
584:of 2.73 AU). Its orbit has an
612:in 1902, extending the asteroid's
14:
1274:Lightcurve plot of 1680 Per Brahe
1082:The Astrophysical Journal Letters
668:In December 2012, two rotational
1325:AstDyS-2, Asteroids—Dynamic Site
1303:Dictionary of Minor Planet Names
890:"LCDB Data for (1680) Per Brahe"
540:in Southwest Finland. The stony
528:from the central region of the
1001:: IRAS-A-FPA-3-RDR-IMPS-V6.0.
853:10.1007/978-3-540-29925-7_1681
1:
1276:, Palmer Divide Observatory,
744:between 0.178 and 0.300. The
628:was named for Swedish count
568:asteroid of the main belt's
1794:Discoveries by Liisi Oterma
973:10.1088/0004-637X/791/2/121
684:. They gave a well-defined
572:. It orbits the Sun in the
326:Argument of perihelion
1825:
1112:10.1088/2041-8205/759/1/L8
1059:10.1088/0004-637X/741/2/90
995:NASA Planetary Data System
845:Springer Berlin Heidelberg
776:"1680 Per Brahe (1942 CH)"
520:, provisional designation
149:Minor planet category
1543:
1528:Small Solar System bodies
1469:
1187:The Minor Planet Bulletin
1029:The Astrophysical Journal
943:The Astrophysical Journal
814:Jet Propulsion Laboratory
524:, is a bright background
511:
265:Orbital period (sidereal)
195:
183:
1804:S-type asteroids (SMASS)
1295:16 December 2017 at the
812:(2019-08-20 last obs.).
659:Physical characteristics
604:was first identified as
556:Orbit and classification
495:Absolute magnitude
337:Physical characteristics
101:Alternative designations
1463:Minor planets navigator
1374:JPL Small-Body Database
398:Synodic rotation period
178:Orbital characteristics
1653:Trans-Neptunian object
1338:Observation prediction
1159:10.1093/pasj/63.5.1117
728:satellite, and NASA's
610:Heidelberg Observatory
1317:– Minor Planet Center
1221:"MPC/MPO/MPS Archive"
644:was published by the
632:(1602–1680), who was
570:background population
550:Per Brahe the Younger
197:Uncertainty parameter
88:Per Brahe the Younger
1789:Background asteroids
1626:Distant minor planet
732:with its subsequent
596:with respect to the
93:(Count and Governor)
71:MPC designation
1799:Named minor planets
1425:Physical parameters
1225:Minor Planet Center
1199:2013MPBu...40...93S
1170:AcuA catalog p. 153
1150:2011PASJ...63.1117U
1104:2012ApJ...759L...8M
1051:2011ApJ...741...90M
1007:2004PDSS...12.....T
965:2014ApJ...791..121M
780:Minor Planet Center
716:Diameter and albedo
646:Minor Planet Center
56:Discovery date
45:Discovery site
23:
1362:Observational info
1251:Geneva Observatory
750:absolute magnitude
700:Laurent Bernasconi
33:Discovered by
1771:
1770:
1683:
1682:
1568:Meanings of names
1494:
1493:
862:978-3-540-00238-3
648:on 1 April 1980 (
638:Academia Aboensis
538:Turku Observatory
515:
514:
270:4.50 yr (1,643 d)
1816:
1541:
1521:
1514:
1507:
1498:
1474:1679 Nevanlinna
1456:
1449:
1442:
1433:
1417:Orbital elements
1381:
1262:
1261:
1259:
1257:
1245:Behrend, Raoul.
1242:
1236:
1235:
1233:
1231:
1217:
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1210:
1182:
1173:
1163:
1161:
1144:(5): 1117–1138.
1129:
1116:
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990:
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820:
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791:
790:
788:
786:
772:
711:
697:
692:, respectively (
654:
634:Governor General
607:
523:
470:
468:
462:
460:
454:
452:
446:
444:
438:
436:
427:Geometric albedo
420:
418:
412:
407:
391:
389:
383:
381:
375:
373:
367:
365:
359:
354:
297:0° 13 8.76 / day
168:
135:
94:
90:
76:(1680) Per Brahe
59:12 February 1942
24:
1824:
1823:
1819:
1818:
1817:
1815:
1814:
1813:
1774:
1773:
1772:
1767:
1741:
1679:
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1525:
1495:
1490:
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1460:
1354:Proper elements
1297:Wayback Machine
1270:
1265:
1255:
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847:. p. 133.
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807:
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782:
774:
773:
762:
758:
724:, the Japanese
718:
707:
693:
686:rotation period
678:Robert Stephens
666:
661:
649:
642:naming citation
622:
614:observation arc
605:
588:of 0.18 and an
582:semi-major axis
562:S-type asteroid
558:
546:rotation period
542:S-type asteroid
521:
506:
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500:
479:
466:
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316:
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245:
243:Semi-major axis
205:Observation arc
187:27 April 2019 (
169:
162:
151:
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134:
130:
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117:
111:
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1760:
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1740:
1739:
1734:
1729:
1727:Near-parabolic
1724:
1719:
1714:
1709:
1704:
1699:
1693:
1691:
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1681:
1680:
1678:
1677:
1676:
1675:
1673:Scattered disc
1670:
1665:
1660:
1650:
1645:
1644:
1643:
1641:Neptune trojan
1638:
1630:
1628:
1622:
1621:
1619:
1618:
1616:Spectral types
1613:
1608:
1606:Jupiter trojan
1603:
1598:
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1574:
1573:
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1501:
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1491:
1489:
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1486:1681 Steinmetz
1483:
1480:1680 Per Brahe
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1470:
1467:
1466:
1461:
1459:
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1451:
1444:
1436:
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1428:
1427:
1385:Close approach
1369:1680 Per Brahe
1366:
1365:
1364:
1321:1680 Per Brahe
1318:
1312:
1306:
1305:, Google books
1300:
1288:, query form (
1283:
1269:
1268:External links
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518:1680 Per Brahe
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1596:Asteroid belt
1594:
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1591:Aten asteroid
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1536:Minor planets
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1409:Orbit diagram
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477:Spectral type
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374:0.130 km
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345:Mean diameter
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124:1949 XL
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118:1938 JA
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112:1937 AA
109:
106:1942 CH
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1763:Space debris
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1349:
1346:Orbital info
1341:
1333:
1324:
1279:B. D. Warner
1277:
1254:. Retrieved
1240:
1228:. Retrieved
1224:
1215:
1193:(2): 93–94.
1190:
1186:
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1137:
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1028:
998:
994:
946:
942:
919:. Retrieved
894:. Retrieved
840:
817:. Retrieved
783:. Retrieved
779:
745:
737:
719:
682:Brian Warner
673:
667:
626:minor planet
623:
601:
586:eccentricity
559:
534:Liisi Oterma
517:
516:
496:
419:0.002 h
390:0.70 km
382:1.32 km
277:Mean anomaly
254:Eccentricity
158:
140: 1960 FF
137:
128: 1952 OG
125:
122: 1943 PC
119:
116: 1937 AY
113:
110: 1934 PP
107:
64:Designations
18:
1753:Cosmic dust
1717:Long-period
1707:Halley-type
1663:Kuiper belt
1548:Designation
1256:23 December
1230:23 December
896:23 December
670:lightcurves
590:inclination
408:0.002
366:0.8 km
355:0.125
303:Inclination
292:Mean motion
82:Named after
1778:Categories
1758:Meteoroids
1737:Sungrazing
1712:Hyperbolic
1668:Oort cloud
1611:Near-Earth
921:5 November
819:5 November
785:5 November
756:References
664:Lightcurve
232:Perihelion
213:(42,838 d)
191:2458600.5)
171:background
50:Turku Obs.
1648:Damocloid
1401:Ephemeris
1393:Discovery
1330:Ephemeris
1207:1052-8091
1095:1209.5794
1042:1109.6407
1035:(2): 25.
956:1406.6645
949:(2): 11.
752:of 11.0.
738:Per Brahe
736:mission,
690:magnitude
674:Per Brahe
630:Per Brahe
602:Per Brahe
564:is a non-
248:2.7252 AU
236:2.2278 AU
155:main-belt
38:L. Oterma
27:Discovery
1732:Periodic
1658:Detached
1578:Asteroid
1293:Archived
1088:(1): 5.
704:René Roy
598:ecliptic
526:asteroid
219:Aphelion
16:Asteroid
1697:Extinct
1636:Centaur
1371:at the
1195:Bibcode
1146:Bibcode
1100:Bibcode
1047:Bibcode
1003:Bibcode
961:Bibcode
734:NEOWISE
606:A902 JA
574:central
522:1942 CH
331:158.68°
319:83.344°
307:4.2614°
223:3.2227
209:117.28
142:A902 JA
131:1953 VD
1689:Comets
1601:Family
1586:Active
1553:Groups
1421:·
1419:
1413:·
1411:
1405:·
1403:
1397:·
1395:
1389:·
1387:
1358:·
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1350:·
1348:
1342:·
1340:
1334:·
1332:
1282:(2012)
1205:
1166:online
859:
742:albedo
709:U=2/1+
651:M.P.C.
620:Naming
566:family
544:has a
449:0.2903
445:0.0223
441:0.2722
370:14.848
351:13.960
282:349.62
258:0.1825
165:middle
159:·
157:
138:·
136:
126:·
120:·
114:·
108:·
1746:Other
1702:Great
1423:
1415:
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1399:
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1360:
1352:
1344:
1336:
1090:arXiv
1037:arXiv
951:arXiv
726:Akari
695:U=3/3
624:This
503:10.65
483:SMASS
469:0.294
465:0.407
461:0.044
457:0.300
453:0.038
437:0.015
433:0.178
415:3.428
404:3.426
386:18.29
378:15.45
362:14.20
185:Epoch
161:
1722:Lost
1563:Moon
1558:List
1290:info
1258:2016
1232:2016
1203:ISSN
923:2019
898:2016
857:ISBN
821:2019
787:2019
722:IRAS
702:and
680:and
653:5280
592:of 4
560:The
507:11.2
505:11.1
1323:at
1154:doi
1108:doi
1086:759
1055:doi
1033:741
969:doi
947:791
849:doi
712:).
672:of
655:).
608:at
536:at
497:(H)
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763:^
600:.
578:AU
552:.
485:=
357:km
225:AU
211:yr
189:JD
1520:e
1513:t
1506:v
1455:e
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594:°
487:S
467:±
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417:±
410:h
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388:±
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372:±
364:±
353:±
284:°
199:0
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133:1
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