1135:
567:-scientist Alex Konopliv (born 1960), an internationally recognized authority on the measurement of the gravitational field of Solar System bodies tracked by satellites in Earth's orbit.
1274:
1209:
1559:
1539:
314:
1267:
1235:
1202:
726:
1549:
96:
634:
1260:
1391:
1195:
1048:
32:
291:
922:
Veres, Peter; Jedicke, Robert; Fitzsimmons, Alan; Denneau, Larry; Granvik, Mikael; Bolin, Bryce; et al. (November 2015).
860:"Asteroid Light Curves from the Palomar Transient Factory Survey: Rotation Periods and Phase Functions from Sparse Photometry"
1323:
216:
1544:
1482:
760:
858:
Waszczak, Adam; Chang, Chan-Kao; Ofek, Eran O.; Laher, Russ; Masci, Frank; Levitan, David; et al. (September 2015).
1554:
1156:
1308:
544:
1472:
1462:
789:
Masiero, Joseph R.; Mainzer, A. K.; Grav, T.; Bauer, J. M.; Cutri, R. M.; Nugent, C.; et al. (November 2012).
718:
1467:
924:"Absolute magnitudes and slope parameters for 250,000 asteroids observed by Pan-STARRS PS1 - Preliminary results"
604:
564:
486:
44:
1303:
568:
70:
791:"Preliminary Analysis of WISE/NEOWISE 3-Band Cryogenic and Post-cryogenic Observations of Main Belt Asteroids"
1487:
1371:
1283:
1129:
571:
used his gravity field determinations for the Red Planet. The official naming citation was published by the
388:
344:
321:
245:
205:
192:
1014:
1408:
923:
859:
790:
577:
989:
1313:
1218:
616:
303:
174:
1381:
1117:
1093:
1085:
1070:
945:
881:
812:
521:
482:
227:
49:
1109:
1101:
1076:
646:
572:
525:
509:
490:
280:
147:
961:
935:
897:
871:
828:
802:
658:
403:
1164:
1366:
1318:
722:
712:
621:
517:
198:
162:
1492:
1148:
1140:
953:
889:
820:
365:
154:
1180:
1413:
1356:
1341:
1229:
1124:
1052:
654:
608:
548:
505:
394:
182:
1134:
1058:
949:
885:
816:
1428:
1396:
1361:
1172:
1041:
529:
261:
238:
1045:
1533:
1452:
1351:
1346:
1241:
893:
824:
471:
965:
832:
1518:
1291:
901:
560:
513:
478:
254:
140:
124:
37:
957:
684:
1508:
1457:
1418:
1064:
269:
1477:
1423:
596:
166:
1513:
1403:
1252:
551:
by 12 years prior to its official discovery observation at
Chiyoda Station.
130:
1187:
1333:
533:
467:
638:
477:
The asteroid was discovered on 5 January 1989, by
Japanese astronomer
940:
876:
1444:
807:
357:
1256:
1191:
520:
once every 5 years and 6 months (2,004 days). Its orbit has an
1071:
685:"JPL Small-Body Database Browser: 9321 Alexkonopliv (1989 AK)"
657:
of 0.057 and calculates a diameter of 11.5 kilometers with an
645:
measures 10.3 kilometers in diameter and its surface has an
633:
According to the survey carried out by NASA's space-based
714:
Dictionary of Minor Planet Names – (9321) Alexkonopliv
1501:
1443:
1380:
1332:
1290:
401:
386:
363:
342:
320:
313:
301:
289:
279:
267:
252:
236:
226:
214:
204:
191:
181:
153:
122:
94:
80:
68:
63:
55:
43:
31:
26:
984:
982:
687:(2017-05-01 last obs.). Jet Propulsion Laboratory
603:was obtained from photometric observation at the
853:
851:
849:
536:. In November 1977, it was first identified as
784:
782:
780:
778:
1268:
1203:
8:
516:asteroid belt at a distance of 2.3–3.9
21:
474:, approximately 11 kilometers in diameter.
1296:
1275:
1261:
1253:
1210:
1196:
1188:
1133:
706:
704:
702:
615:hours with a brightness variation of 0.19
607:in California. Lightcurve analysis gave a
1065:Asteroids and comets rotation curves, CdR
939:
875:
806:
679:
677:
675:
673:
1560:Astronomical objects discovered in 1989
1540:Minor planet object articles (numbered)
1067:– Observatoire de Genève, Raoul Behrend
669:
755:
753:
751:
749:
747:
745:
651:Collaborative Asteroid Lightcurve Link
20:
763:. Asteroid Lightcurve Database (LCDB)
292:Longitude of ascending node
7:
1138:
1042:Asteroid Lightcurve Database (LCDB)
761:"LCDB Data for (9321) Alexkonopliv"
635:Wide-field Infrared Survey Explorer
14:
795:The Astrophysical Journal Letters
1081:AstDyS-2, Asteroids—Dynamic Site
1059:Dictionary of Minor Planet Names
595:In December 2010, a rotational
466:, is a carbonaceous background
653:assumes a standard albedo for
547:, China, extending the body's
508:asteroid from the main belt's
1:
990:"9321 Alexkonopliv (1989 AK)"
470:from the outer region of the
958:10.1016/j.icarus.2015.08.007
1550:Discoveries by Takuo Kojima
545:Purple Mountain Observatory
512:. It orbits the Sun in the
304:Argument of perihelion
1576:
894:10.1088/0004-6256/150/3/75
825:10.1088/2041-8205/759/1/L8
719:Springer Berlin Heidelberg
711:Schmadel, Lutz D. (2003).
485:, Japan. It was named for
460:, provisional designation
125:Minor planet category
1299:
1284:Small Solar System bodies
1225:
605:Palomar Transient Factory
451:
239:Orbital period (sidereal)
173:
161:
1051:16 December 2017 at the
864:The Astronomical Journal
586:Physical characteristics
497:Orbit and classification
404:Absolute magnitude
315:Physical characteristics
97:Alternative designations
1219:Minor planets navigator
1130:JPL Small-Body Database
345:Synodic rotation period
155:Orbital characteristics
1409:Trans-Neptunian object
1094:Observation prediction
655:carbonaceous asteroids
187:39.46 yr (14,413 days)
1073:– Minor Planet Center
1015:"MPC/MPO/MPS Archive"
569:Various Mars missions
510:background population
175:Uncertainty parameter
1545:Background asteroids
1382:Distant minor planet
649:of 0.116, while the
637:with its subsequent
532:with respect to the
483:YGCO Chiyoda Station
71:MPC designation
1555:Named minor planets
1181:Physical parameters
1019:Minor Planet Center
994:Minor Planet Center
950:2015Icar..261...34V
886:2015AJ....150...75W
817:2012ApJ...759L...8M
629:Diameter and albedo
575:on 5 October 1998 (
573:Minor Planet Center
76:(9321) Alexkonopliv
56:Discovery date
45:Discovery site
23:
1118:Observational info
659:absolute magnitude
165:4 September 2017 (
33:Discovered by
1527:
1526:
1439:
1438:
1324:Meanings of names
1250:
1249:
1236:9321 Alexkonopliv
1125:9321 Alexkonopliv
1077:9321 Alexkonopliv
728:978-3-540-29925-7
458:9321 Alexkonopliv
455:
454:
275:0° 10 46.56 / day
50:YGCO Chiyoda Stn.
22:9321 Alexkonopliv
1567:
1297:
1277:
1270:
1263:
1254:
1230:(9320) 1988 VN3
1212:
1205:
1198:
1189:
1173:Orbital elements
1137:
1030:
1029:
1027:
1025:
1011:
1005:
1004:
1002:
1000:
986:
977:
976:
974:
972:
943:
919:
913:
912:
910:
908:
879:
855:
844:
843:
841:
839:
810:
786:
773:
772:
770:
768:
757:
740:
739:
737:
735:
708:
697:
696:
694:
692:
681:
624:
614:
581:
563:was named after
542:
464:
442:
439:
437:
428: 12.90
423:
421:
382:
380:
374:
366:Geometric albedo
356:
354:
338:
332:
330:
144:
112:
90:
89:(JPL astronomer)
27:Discovery
24:
1575:
1574:
1570:
1569:
1568:
1566:
1565:
1564:
1530:
1529:
1528:
1523:
1497:
1435:
1376:
1328:
1286:
1281:
1251:
1246:
1221:
1216:
1110:Proper elements
1053:Wayback Machine
1038:
1033:
1023:
1021:
1013:
1012:
1008:
998:
996:
988:
987:
980:
970:
968:
921:
920:
916:
906:
904:
857:
856:
847:
837:
835:
788:
787:
776:
766:
764:
759:
758:
743:
733:
731:
729:
721:. p. 682.
710:
709:
700:
690:
688:
683:
682:
671:
667:
631:
620:
612:
609:rotation period
593:
591:Rotation period
588:
576:
557:
549:observation arc
541:
537:
524:of 0.26 and an
499:
462:
440:
435:
433:
419:
417:
409:
391:
378:
376:
375:
372:
368:
352:
350:
347:
336:
334:
328:
326:
306:
294:
272:
257:
241:
219:
217:Semi-major axis
183:Observation arc
146:
138:
127:
113:
111:
107:
99:
88:
87:
83:
73:
17:
12:
11:
5:
1573:
1571:
1563:
1562:
1557:
1552:
1547:
1542:
1532:
1531:
1525:
1524:
1522:
1521:
1516:
1511:
1505:
1503:
1499:
1498:
1496:
1495:
1490:
1485:
1483:Near-parabolic
1480:
1475:
1470:
1465:
1460:
1455:
1449:
1447:
1441:
1440:
1437:
1436:
1434:
1433:
1432:
1431:
1429:Scattered disc
1426:
1421:
1416:
1406:
1401:
1400:
1399:
1397:Neptune trojan
1394:
1386:
1384:
1378:
1377:
1375:
1374:
1372:Spectral types
1369:
1364:
1362:Jupiter trojan
1359:
1354:
1349:
1344:
1338:
1336:
1330:
1329:
1327:
1326:
1321:
1316:
1311:
1306:
1300:
1294:
1288:
1287:
1282:
1280:
1279:
1272:
1265:
1257:
1248:
1247:
1245:
1244:
1239:
1232:
1226:
1223:
1222:
1217:
1215:
1214:
1207:
1200:
1192:
1186:
1185:
1184:
1183:
1141:Close approach
1122:
1121:
1120:
1074:
1068:
1062:
1061:, Google books
1056:
1044:, query form (
1037:
1036:External links
1034:
1032:
1031:
1006:
978:
914:
845:
774:
741:
727:
698:
668:
666:
663:
630:
627:
592:
589:
587:
584:
556:
553:
539:
498:
495:
453:
452:
449:
448:
410:
402:
399:
398:
392:
387:
384:
383:
369:
364:
361:
360:
348:
343:
340:
339:
324:
318:
317:
311:
310:
307:
302:
299:
298:
295:
290:
287:
286:
283:
277:
276:
273:
268:
265:
264:
258:
253:
250:
249:
242:
237:
234:
233:
230:
224:
223:
220:
215:
212:
211:
208:
202:
201:
195:
189:
188:
185:
179:
178:
171:
170:
159:
158:
151:
150:
128:
123:
120:
119:
109:
100:
95:
92:
91:
84:
81:
78:
77:
74:
69:
66:
65:
61:
60:
59:5 January 1989
57:
53:
52:
47:
41:
40:
35:
29:
28:
15:
13:
10:
9:
6:
4:
3:
2:
1572:
1561:
1558:
1556:
1553:
1551:
1548:
1546:
1543:
1541:
1538:
1537:
1535:
1520:
1517:
1515:
1512:
1510:
1507:
1506:
1504:
1500:
1494:
1491:
1489:
1486:
1484:
1481:
1479:
1476:
1474:
1471:
1469:
1466:
1464:
1461:
1459:
1456:
1454:
1451:
1450:
1448:
1446:
1442:
1430:
1427:
1425:
1422:
1420:
1417:
1415:
1412:
1411:
1410:
1407:
1405:
1402:
1398:
1395:
1393:
1390:
1389:
1388:
1387:
1385:
1383:
1379:
1373:
1370:
1368:
1365:
1363:
1360:
1358:
1355:
1353:
1352:Asteroid belt
1350:
1348:
1347:Aten asteroid
1345:
1343:
1340:
1339:
1337:
1335:
1331:
1325:
1322:
1320:
1317:
1315:
1312:
1310:
1307:
1305:
1302:
1301:
1298:
1295:
1293:
1292:Minor planets
1289:
1285:
1278:
1273:
1271:
1266:
1264:
1259:
1258:
1255:
1243:
1242:9322 Lindenau
1240:
1238:
1237:
1233:
1231:
1228:
1227:
1224:
1220:
1213:
1208:
1206:
1201:
1199:
1194:
1193:
1190:
1182:
1178:
1174:
1170:
1166:
1165:Orbit diagram
1162:
1158:
1154:
1150:
1146:
1142:
1139:
1136:
1132:
1131:
1126:
1123:
1119:
1115:
1111:
1107:
1103:
1099:
1095:
1091:
1087:
1084:
1083:
1082:
1078:
1075:
1072:
1069:
1066:
1063:
1060:
1057:
1054:
1050:
1047:
1043:
1040:
1039:
1035:
1020:
1016:
1010:
1007:
995:
991:
985:
983:
979:
967:
963:
959:
955:
951:
947:
942:
937:
933:
929:
925:
918:
915:
903:
899:
895:
891:
887:
883:
878:
873:
869:
865:
861:
854:
852:
850:
846:
834:
830:
826:
822:
818:
814:
809:
804:
800:
796:
792:
785:
783:
781:
779:
775:
762:
756:
754:
752:
750:
748:
746:
742:
730:
724:
720:
716:
715:
707:
705:
703:
699:
686:
680:
678:
676:
674:
670:
664:
662:
660:
656:
652:
648:
644:
640:
636:
628:
626:
623:
618:
610:
606:
602:
598:
590:
585:
583:
579:
574:
570:
566:
562:
554:
552:
550:
546:
535:
531:
527:
523:
519:
515:
511:
507:
503:
496:
494:
492:
491:Alex Konopliv
488:
484:
480:
475:
473:
472:asteroid belt
469:
465:
459:
450:
446:
431:
427:
415:
411:
408:
407:
400:
396:
393:
390:
389:Spectral type
385:
370:
367:
362:
359:
349:
346:
341:
325:
323:
319:
316:
312:
308:
305:
300:
296:
293:
288:
284:
282:
278:
274:
271:
266:
263:
259:
256:
251:
247:
243:
240:
235:
231:
229:
225:
221:
218:
213:
209:
207:
203:
200:
196:
194:
190:
186:
184:
180:
176:
172:
168:
164:
160:
156:
152:
149:
142:
136:
132:
129:
126:
121:
117:
114:1977 XD
105:
102:1989 AK
101:
98:
93:
86:Alex Konopliv
85:
79:
75:
72:
67:
62:
58:
54:
51:
48:
46:
42:
39:
36:
34:
30:
25:
19:
1519:Space debris
1234:
1176:
1168:
1160:
1152:
1144:
1128:
1113:
1105:
1102:Orbital info
1097:
1089:
1080:
1022:. Retrieved
1018:
1009:
997:. Retrieved
993:
969:. Retrieved
931:
927:
917:
905:. Retrieved
867:
863:
836:. Retrieved
798:
794:
765:. Retrieved
732:. Retrieved
713:
689:. Retrieved
650:
643:Alexkonopliv
642:
632:
601:Alexkonopliv
600:
594:
561:minor planet
558:
522:eccentricity
502:Alexkonopliv
501:
500:
479:Takuo Kojima
476:
461:
457:
456:
444:
429:
425:
413:
405:
337:(calculated)
255:Mean anomaly
248:(2,004 days)
228:Eccentricity
134:
118: 1984 EK
115:
103:
64:Designations
18:
1509:Cosmic dust
1473:Long-period
1463:Halley-type
1419:Kuiper belt
1304:Designation
526:inclination
489:-scientist
281:Inclination
270:Mean motion
82:Named after
1534:Categories
1514:Meteoroids
1493:Sungrazing
1468:Hyperbolic
1424:Oort cloud
1367:Near-Earth
941:1506.00762
877:1504.04041
665:References
661:of 13.43.
597:lightcurve
447: 13.43
412:13.0
322:Dimensions
206:Perihelion
169:2458000.5)
148:background
1404:Damocloid
1157:Ephemeris
1149:Discovery
1086:Ephemeris
934:: 34–47.
870:(3): 35.
808:1209.5794
641:mission,
617:magnitude
504:is a non-
373:(assumed)
335:11.48 km
222:3.1112 AU
210:2.2953 AU
131:main-belt
38:T. Kojima
1488:Periodic
1414:Detached
1334:Asteroid
1049:Archived
966:53493339
833:46350317
801:(1): 5.
534:ecliptic
468:asteroid
193:Aphelion
16:Asteroid
1453:Extinct
1392:Centaur
1127:at the
946:Bibcode
902:8342929
882:Bibcode
813:Bibcode
691:22 June
639:NEOWISE
543:at the
538:1977 VZ
481:at the
463:1989 AK
397:
309:358.09°
297:89.167°
285:4.3189°
197:3.9271
157:
145:
108:1977 VZ
1445:Comets
1357:Family
1342:Active
1309:Groups
1177:·
1175:
1169:·
1167:
1161:·
1159:
1153:·
1151:
1145:·
1143:
1114:·
1112:
1106:·
1104:
1098:·
1096:
1090:·
1088:
1024:10 May
999:10 May
971:10 May
964:
928:Icarus
907:10 May
900:
838:10 May
831:
767:10 May
734:10 May
725:
647:albedo
613:3.4268
578:M.P.C.
555:Naming
506:family
445:·
443:
434:12.979
430:·
426:·
424:
414:·
371:0.057
355:0.0010
351:3.4268
260:95.027
232:0.2623
135:·
133:
116:·
104:·
1502:Other
1458:Great
1179:
1171:
1163:
1155:
1147:
1116:
1108:
1100:
1092:
962:S2CID
936:arXiv
898:S2CID
872:arXiv
829:S2CID
803:arXiv
580:32610
559:This
514:outer
438:0.002
432:
418:12.93
416:
381:0.023
377:0.116
327:10.28
244:5.49
163:Epoch
141:outer
137:
106:
1478:Lost
1319:Moon
1314:List
1046:info
1026:2016
1001:2016
973:2016
909:2016
840:2016
769:2016
736:2016
723:ISBN
693:2017
528:of 4
422:0.18
331:0.19
1079:at
954:doi
932:261
890:doi
868:150
821:doi
799:759
625:).
622:U=2
611:of
599:of
582:).
565:JPL
487:JPL
441:(R)
406:(H)
1536::
1017:.
992:.
981:^
960:.
952:.
944:.
930:.
926:.
896:.
888:.
880:.
866:.
862:.
848:^
827:.
819:.
811:.
797:.
793:.
777:^
744:^
717:.
701:^
672:^
518:AU
493:.
333:km
246:yr
199:AU
167:JD
1276:e
1269:t
1262:v
1211:e
1204:t
1197:v
1055:)
1028:.
1003:.
975:.
956::
948::
938::
911:.
892::
884::
874::
842:.
823::
815::
805::
771:.
738:.
695:.
619:(
540:1
530:°
436:±
420:±
395:C
379:±
358:h
353:±
329:±
262:°
177:0
143:)
139:(
110:1
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.