1217:
1356:
1291:
1641:
1621:
317:
1349:
1631:
630:, meteor impacts on Venus, as well as the irregular satellite families of the outer planets. The official naming citation was published by the
1317:
1284:
758:
444:
96:
626:
was named. His field or research include minor planets in co-orbit with Venus, designing near-Earth asteroids missions, the dwarf planet
591:
307:
1342:
1473:
1277:
1130:
32:
283:
998:
Veres, Peter; Jedicke, Robert; Fitzsimmons, Alan; Denneau, Larry; Granvik, Mikael; Bolin, Bryce; et al. (November 2015).
1405:
208:
1564:
1636:
1238:
787:
678:
1626:
1390:
472:
1554:
1544:
885:
Masiero, Joseph R.; Mainzer, A. K.; Grav, T.; Bauer, J. M.; Cutri, R. M.; Dailey, J.; et al. (November 2011).
742:
1549:
1000:"Absolute magnitudes and slope parameters for 250,000 asteroids observed by Pan-STARRS PS1 - Preliminary results"
711:
468:
49:
44:
1385:
70:
471:
in New South Wales, Australia, on 3 February 1995. The asteroid was named after
British planetary astronomer
1569:
1453:
1365:
1211:
391:
347:
324:
237:
197:
184:
1090:
662:
1490:
999:
953:
886:
817:
637:
1117:
1065:
1395:
1300:
569:
295:
166:
618:
was named after
Apostolos Christou (born 1968), planetary astronomer and programmer at the North Irish
491:
dense concentration of asteroids in the Solar System. It orbits the Sun at a distance of 1.7–2.0
1463:
1199:
1175:
1167:
1152:
1021:
965:
908:
839:
496:
219:
954:"Collaborative Asteroid Lightcurve Analysis at the Center for Solar System Studies: 2013 April-June"
1191:
1183:
1158:
631:
595:
519:
500:
272:
816:
Mainzer, A.; Grav, T.; Masiero, J.; Hand, E.; Bauer, J.; Tholen, D.; et al. (November 2011).
1037:
1011:
924:
898:
855:
829:
619:
603:
551:
406:
1246:
1448:
1400:
973:
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574:
492:
190:
154:
1574:
1230:
1222:
1029:
916:
847:
746:
368:
146:
1262:
1495:
1438:
1423:
1323:
1206:
1134:
623:
561:
535:
523:
484:
397:
174:
138:
739:
Dictionary of Minor Planet Names – (9084) Achristou, Addendum to Fifth
Edition: 2003–2005
1140:
1025:
969:
912:
843:
1510:
1478:
1443:
1254:
1216:
1123:
504:
464:
253:
230:
37:
1127:
1615:
1534:
1433:
1428:
1311:
928:
920:
859:
851:
818:"NEOWISE Studies of Spectrophotometrically Classified Asteroids: Preliminary Results"
460:
1041:
1600:
1373:
615:
488:
246:
124:
750:
1033:
707:
1590:
1539:
1500:
1146:
261:
550:
of
Achristou was obtained from photometric observations by American astronomer
1559:
1505:
602:
assumes an albedo of 0.30 and calculates a diameter of 1.8 kilometers with an
547:
158:
977:
887:"Main Belt Asteroids with WISE/NEOWISE. I. Preliminary Albedos and Diameters"
1595:
1485:
1334:
463:, about 1.9 kilometers in diameter. It was discovered by British astronomer
130:
1269:
526:
by 15 years prior to its official discovery observation at Siding Spring.
1415:
737:
Schmadel, Lutz D. (2006). "(9084) Achristou [1.86, 0.08, 23.1]".
556:
508:
456:
627:
594:, Achristou measures 1.9 kilometers in diameter and its surface has an
587:
952:
Stephens, Robert D.; Coley, Daniel; Warner, Brian D. (January 2014).
1016:
1526:
903:
834:
360:
1338:
1273:
1153:
495:
once every 2 years and 6 months (926 days). Its orbit has an
708:"JPL Small-Body Database Browser: 9084 Achristou (1995 CS1)"
657:
655:
1583:
1525:
1462:
1414:
1372:
404:
389:
366:
345:
323:
316:
305:
293:
281:
271:
259:
244:
228:
218:
206:
196:
183:
173:
145:
122:
94:
80:
68:
63:
55:
43:
31:
26:
947:
945:
1060:
1058:
880:
878:
876:
568:hours with a low brightness variation of 0.09
1350:
1285:
679:Collaborative Asteroid Lightcurve Link (CALL)
534:Achristou has been characterized as a bright
8:
560:) in California. Lightcurve analysis gave a
511:. In April 1980, it was first identified as
21:
665:of (9084) Achristou with a rotation period
1378:
1357:
1343:
1335:
1292:
1278:
1270:
1215:
732:
730:
728:
1147:Asteroids and comets rotation curves, CdR
1015:
902:
833:
702:
700:
698:
696:
554:at the Center for Solar System Studies (
1642:Astronomical objects discovered in 1995
1622:Minor planet object articles (numbered)
1149:– Observatoire de Genève, Raoul Behrend
692:
651:
586:Based on the survey carried out by the
811:
809:
807:
805:
782:
780:
778:
776:
774:
772:
770:
600:Collaborative Asteroid Lightcurve Link
20:
790:. Asteroid Lightcurve Database (LCDB)
673:hours with a brightness amplitude of
284:Longitude of ascending node
7:
1220:
1124:Asteroid Lightcurve Database (LCDB)
1120:, at Armagh Observatory, 7 Nov 2013
592:Wide-field Infrared Survey Explorer
459:from the innermost regions of the
14:
1163:AstDyS-2, Asteroids—Dynamic Site
1141:Dictionary of Minor Planet Names
788:"LCDB Data for (9084) Achristou"
622:, after which the minor planet
590:mission of NASA's space-based
1:
1632:Discoveries by David J. Asher
751:10.1007/978-3-540-34361-5_303
483:Achristou is a member of the
1034:10.1016/j.icarus.2015.08.007
1066:"9084 Achristou (1995 CS1)"
296:Argument of perihelion
1658:
921:10.1088/0004-637X/741/2/68
852:10.1088/0004-637X/741/2/90
743:Springer Berlin Heidelberg
546:In May 2013, a rotational
125:Minor planet category
1381:
1366:Small Solar System bodies
1307:
958:The Minor Planet Bulletin
891:The Astrophysical Journal
822:The Astrophysical Journal
712:Jet Propulsion Laboratory
469:Siding Spring Observatory
434:
231:Orbital period (sidereal)
165:
153:
1133:16 December 2017 at the
710:(2016-11-26 last obs.).
677:mag. Summary figures at
530:Physical characteristics
479:Orbit and classification
407:Absolute magnitude
318:Physical characteristics
97:Alternative designations
1301:Minor planets navigator
1212:JPL Small-Body Database
522:, extending the body's
445:provisional designation
348:Synodic rotation period
147:Orbital characteristics
1491:Trans-Neptunian object
1176:Observation prediction
455:) is a stony Hungaria
179:36.64 yr (13,381 days)
1155:– Minor Planet Center
1091:"MPC/MPO/MPS Archive"
167:Uncertainty parameter
1464:Distant minor planet
624:10502 Armaghobs
507:with respect to the
89:(British astronomer)
71:MPC designation
1637:Named minor planets
1263:Physical parameters
1095:Minor Planet Center
1070:Minor Planet Center
1026:2015Icar..261...34V
970:2014MPBu...41....8S
913:2011ApJ...741...68M
844:2011ApJ...741...90M
632:Minor Planet Center
598:of 0.33, while the
582:Diameter and albedo
520:Palomar Observatory
56:Discovery date
45:Discovery site
23:
1627:Hungaria asteroids
1200:Observational info
1118:Apostolos Christou
620:Armagh Observatory
604:absolute magnitude
473:Apostolos Christou
157:4 September 2017 (
86:Apostolos Christou
50:Siding Spring Obs.
33:Discovered by
1609:
1608:
1521:
1520:
1406:Meanings of names
1332:
1331:
760:978-3-540-34360-8
661:Stephens (2013):
487:, which form the
438:
437:
267:0° 23 18.96 / day
1649:
1379:
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1345:
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1255:Orbital elements
1219:
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988:
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906:
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453:
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385:
383:
377:
369:Geometric albedo
359:
357:
340:
338:
332:
118:
107:
90:
76:(9084) Achristou
27:Discovery
24:
1657:
1656:
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1646:
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1605:
1579:
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1410:
1368:
1363:
1333:
1328:
1324:(9085) 1995 QH2
1303:
1298:
1192:Proper elements
1135:Wayback Machine
1114:
1109:
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1097:
1089:
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1084:
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663:lightcurve plot
660:
653:
648:
635:
634:on 23 May 2005
612:
584:
573:
565:
562:rotation period
555:
552:Robert Stephens
544:
542:Rotation period
536:E-type asteroid
532:
524:observation arc
516:
512:
499:of 0.08 and an
485:Hungaria family
481:
452:
448:
426:
424:
419: 15.4
412:
394:
381:
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371:
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353:
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336:
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298:
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209:Semi-major axis
175:Observation arc
127:
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88:
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73:
59:3 February 1995
17:
12:
11:
5:
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1565:Near-parabolic
1562:
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1537:
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1523:
1522:
1519:
1518:
1516:
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1514:
1513:
1511:Scattered disc
1508:
1503:
1498:
1488:
1483:
1482:
1481:
1479:Neptune trojan
1476:
1468:
1466:
1460:
1459:
1457:
1456:
1454:Spectral types
1451:
1446:
1444:Jupiter trojan
1441:
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1318:9084 Achristou
1314:
1312:9083 Ramboehm
1308:
1305:
1304:
1299:
1297:
1296:
1289:
1282:
1274:
1268:
1267:
1266:
1265:
1223:Close approach
1207:9084 Achristou
1204:
1203:
1202:
1159:9084 Achristou
1156:
1150:
1144:
1143:, Google books
1138:
1126:, query form (
1121:
1113:
1112:External links
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1108:
1107:
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745:. p. 42.
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465:David J. Asher
450:
441:9084 Achristou
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22:9084 Achristou
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1434:Asteroid belt
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1429:Aten asteroid
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1374:Minor planets
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478:
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461:asteroid belt
458:
454:
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418:
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403:
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396:
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392:Spectral type
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1601:Space debris
1316:
1258:
1250:
1242:
1234:
1226:
1210:
1195:
1187:
1184:Orbital info
1179:
1171:
1162:
1098:. Retrieved
1094:
1085:
1073:. Retrieved
1069:
1045:. Retrieved
1007:
1003:
993:
981:. Retrieved
961:
957:
932:. Retrieved
894:
890:
863:. Retrieved
825:
821:
792:. Retrieved
738:
715:. Retrieved
616:minor planet
613:
599:
585:
545:
533:
497:eccentricity
482:
447:
440:
439:
420:
416:
408:
331:(calculated)
247:Mean anomaly
220:Eccentricity
134:
109:
64:Designations
18:
1591:Cosmic dust
1555:Long-period
1545:Halley-type
1501:Kuiper belt
1386:Designation
964:(1): 8–13.
501:inclination
306:Earth
273:Inclination
262:Mean motion
82:Named after
38:D. J. Asher
1616:Categories
1596:Meteoroids
1575:Sungrazing
1550:Hyperbolic
1506:Oort cloud
1449:Near-Earth
1017:1506.00762
934:4 December
688:References
548:lightcurve
415:15.7
325:Dimensions
240:(926 days)
198:Perihelion
161:2458000.5)
1486:Damocloid
1239:Ephemeris
1231:Discovery
1168:Ephemeris
1010:: 34–47.
978:1052-8091
929:118745497
904:1109.4096
897:(2): 20.
860:118700974
835:1109.6407
828:(2): 25.
606:of 15.7.
570:magnitude
489:innermost
376:(assumed)
312:0.7794 AU
214:1.8597 AU
202:1.7145 AU
131:main-belt
1570:Periodic
1496:Detached
1416:Asteroid
1131:Archived
1100:28 April
1075:28 April
1047:28 April
1042:53493339
983:28 April
865:28 April
794:28 April
509:ecliptic
457:asteroid
329:1.76 km
185:Aphelion
139:Hungaria
16:Asteroid
1535:Extinct
1474:Centaur
1209:at the
1022:Bibcode
966:Bibcode
909:Bibcode
840:Bibcode
717:22 June
628:1 Ceres
588:NEOWISE
513:1980 GV
449:1995 CS
400:
301:72.116°
289:197.54°
277:23.098°
189:2.0048
149:
141:
114:1980 GV
103:1995 CS
1527:Comets
1439:Family
1424:Active
1391:Groups
1259:·
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1170:
1040:
1004:Icarus
976:
927:
858:
757:
640:54173)
638:M.P.C.
610:Naming
596:albedo
421:·
417:·
252:206.11
224:0.0780
135:·
133:
110:·
108:
1584:Other
1540:Great
1261:
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1245:
1237:
1229:
1198:
1190:
1182:
1174:
1038:S2CID
1012:arXiv
925:S2CID
899:arXiv
856:S2CID
830:arXiv
646:Notes
614:This
503:of 23
425:16.08
423:
384:0.078
380:0.333
374:0.30
339:0.367
335:1.916
236:2.54
155:Epoch
137:
112:
1560:Lost
1401:Moon
1396:List
1128:info
1102:2016
1077:2016
1049:2016
985:2016
974:ISSN
936:2016
867:2016
796:2016
755:ISBN
719:2017
675:0.09
671:0.02
667:8.84
575:U=2+
566:8.84
429:0.28
358:0.02
354:8.84
308:MOID
1161:at
1030:doi
1008:261
917:doi
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848:doi
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578:).
564:of
557:U81
518:at
467:at
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341:km
238:yr
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159:JD
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356:±
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