1032:
1446:
1171:
1106:
1456:
1436:
663:
495:
472:
321:
86:
871:
Dykhuis, Melissa J.; Molnar, Lawrence A.; Gates, Christopher J.; Gonzales, Joshua A.; Huffman, Jared J.; Maat, Aaron R.; et al. (March 2016).
1164:
1099:
774:
1132:
95:
1157:
1288:
460:
49:
1092:
951:
32:
298:
1220:
599:
227:
1441:
1379:
1451:
1053:
1205:
844:
1369:
1359:
1364:
750:
608:
44:
1200:
70:
666:(informally: "PhysTech"; Физтех) on the occasion of its 50th anniversary in 1996, based on a proposal by the
1384:
1268:
1180:
1026:
499:
455:, approximately 6 kilometers (4 miles) in diameter. It was discovered on 4 March 1975, by Soviet astronomer
404:
344:
329:
216:
203:
195:
917:
1305:
872:
680:
595:
714:
1210:
1115:
617:
310:
181:
1278:
1014:
990:
982:
967:
884:
536:
238:
1006:
998:
973:
807:
782:
675:
639:
560:
540:
491:
287:
145:
647:
646:, the parent body of the Flora family – and calculates a diameter of 5.93 kilometers based on an
421:
1061:
1263:
1215:
622:
528:
209:
169:
563:
in
October 1953, more than 21 years prior to its official discovery observation at Nauchnij.
1389:
1045:
1037:
892:
671:
503:
387:
161:
1077:
1310:
1253:
1238:
1021:
955:
613:
575:
552:
532:
517:
487:
468:
464:
456:
410:
189:
37:
961:
888:
1325:
1293:
1258:
1138:
1126:
1069:
1031:
944:
603:
544:
268:
249:
948:
1430:
1349:
1248:
1243:
452:
1415:
1188:
873:"Efficient spin sense determination of Flora-region asteroids via the epoch method"
659:
524:
507:
261:
153:
139:
123:
896:
746:
1405:
1354:
1315:
276:
1374:
1320:
587:
173:
1410:
1300:
1149:
556:
129:
1084:
616:
of 4.66883 and 4.66904 hours with a brightness amplitude of 0.53 and 0.41
1230:
548:
448:
643:
512:
1341:
363:
1153:
1088:
674:, Russia. The official naming citation was published by the
520:
and the largest family of stony asteroids in the main-belt.
506:, the asteroid has also been classified as a member of the
968:
747:"JPL Small-Body Database Browser: 4185 Phystech (1975 ED)"
463:
in
Nauchnij, on the Crimean peninsula. The presumed
1398:
1340:
1277:
1229:
1187:
419:
402:
385:
342:
327:
320:
308:
296:
286:
274:
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188:
160:
121:
93:
80:
68:
63:
55:
43:
31:
26:
802:
800:
866:
864:
862:
1165:
1100:
531:once every 3 years and 4 months (1,206 days;
8:
709:
707:
705:
703:
701:
699:
697:
527:asteroid belt at a distance of 2.0–2.4
21:
612:). Lightcurve analysis gave a well-defined
471:of 4.67 hours. It is named in honor of the
1447:Discoveries by Tamara Mikhaylovna Smirnova
1193:
1172:
1158:
1150:
1107:
1093:
1085:
1030:
808:"Asteroid 4185 Phystech – Proper Elements"
664:Moscow Institute of Physics and Technology
473:Moscow Institute of Physics and Technology
87:Moscow Institute of Physics and Technology
741:
739:
737:
735:
769:
767:
598:observations by American astronomers at
586:In March and April 2008, two rotational
1457:Astronomical objects discovered in 1975
1437:Minor planet object articles (numbered)
693:
839:
837:
835:
833:
831:
829:
827:
825:
636:Collaborative Asteroid Lightcurve Link
578:, based on its family classification.
475:("PhysTech") on its 50th anniversary.
20:
847:. Asteroid Lightcurve Database (LCDB)
299:Longitude of ascending node
7:
810:. AstDyS-2, Asteroids – Dynamic Site
1035:
945:Asteroid Lightcurve Database (LCDB)
779:Nesvorny HCM Asteroid Families V3.0
535:of 2.22 AU). Its orbit has an
668:Institute of Theoretical Astronomy
14:
461:Crimean Astrophysical Observatory
978:AstDyS-2, Asteroids—Dynamic Site
962:Dictionary of Minor Planet Names
502:. Based on osculating Keplerian
845:"LCDB Data for (4185) Phystech"
496:hierarchical clustering method
451:from the inner regions of the
1:
447:, is a Florian or background
897:10.1016/j.icarus.2015.12.021
490:asteroid of the main belt's
311:Argument of perihelion
1473:
775:"Small Bodies Data Ferret"
443:, provisional designation
124:Minor planet category
50:Crimean Astrophysical Obs.
1196:
1181:Small Solar System bodies
1122:
751:Jet Propulsion Laboratory
715:"4185 Phystech (1975 ED)"
523:It orbits the Sun in the
434:
250:Orbital period (sidereal)
180:
168:
954:16 December 2017 at the
749:(2018-03-24 last obs.).
567:Physical characteristics
479:Orbit and classification
422:Absolute magnitude
322:Physical characteristics
96:Alternative designations
1116:Minor planets navigator
1027:JPL Small-Body Database
642:of 0.24 – derived from
500:proper orbital elements
345:Synodic rotation period
162:Orbital characteristics
1306:Trans-Neptunian object
991:Observation prediction
970:– Minor Planet Center
918:"MPC/MPO/MPS Archive"
678:on 22 February 1997 (
492:background population
182:Uncertainty parameter
1442:Background asteroids
1279:Distant minor planet
662:was named after the
574:is an assumed stony
547:with respect to the
71:MPC designation
1452:Named minor planets
1078:Physical parameters
922:Minor Planet Center
889:2016Icar..267..174D
719:Minor Planet Center
676:Minor Planet Center
630:Diameter and albedo
594:were obtained from
561:Palomar Observatory
56:Discovery date
45:Discovery site
23:
1015:Observational info
648:absolute magnitude
494:when applying the
33:Discovered by
16:Main-belt asteroid
1424:
1423:
1336:
1335:
1221:Meanings of names
1147:
1146:
438:
437:
255:3.30 yr (1,206 d)
1464:
1194:
1174:
1167:
1160:
1151:
1109:
1102:
1095:
1086:
1070:Orbital elements
1034:
933:
932:
930:
928:
914:
908:
907:
905:
903:
868:
857:
856:
854:
852:
841:
820:
819:
817:
815:
804:
795:
794:
792:
790:
785:on 2 August 2017
781:. Archived from
771:
762:
761:
759:
757:
743:
730:
729:
727:
725:
711:
684:
672:Saint Petersburg
625:
620:, respectively (
611:
515:
504:orbital elements
446:
415:
398:
395:
388:Geometric albedo
381:
379:
375:
372:
366:
361:
357:
354:
338:
282:0° 17 54.6 / day
143:
112:
27:Discovery
24:
1472:
1471:
1467:
1466:
1465:
1463:
1462:
1461:
1427:
1426:
1425:
1420:
1394:
1332:
1273:
1225:
1183:
1178:
1148:
1143:
1127:4184 Berdyayev
1118:
1113:
1007:Proper elements
956:Wayback Machine
941:
936:
926:
924:
916:
915:
911:
901:
899:
870:
869:
860:
850:
848:
843:
842:
823:
813:
811:
806:
805:
798:
788:
786:
773:
772:
765:
755:
753:
745:
744:
733:
723:
721:
713:
712:
695:
691:
679:
656:
632:
621:
614:rotation period
607:
584:
582:Rotation period
576:S-type asteroid
569:
553:observation arc
539:of 0.10 and an
533:semi-major axis
518:asteroid family
511:
481:
469:rotation period
465:S-type asteroid
457:Tamara Smirnova
444:
427:
413:
407:
396:
393:
390:
377:
373:
370:
368:
367:
359:
355:
352:
350:
347:
336:
332:
313:
301:
279:
264:
252:
230:
228:Semi-major axis
190:Observation arc
172:23 March 2018 (
144:
137:
126:
111:
107:
106:
98:
83:
76:(4185) Phystech
73:
17:
12:
11:
5:
1470:
1468:
1460:
1459:
1454:
1449:
1444:
1439:
1429:
1428:
1422:
1421:
1419:
1418:
1413:
1408:
1402:
1400:
1396:
1395:
1393:
1392:
1387:
1382:
1380:Near-parabolic
1377:
1372:
1367:
1362:
1357:
1352:
1346:
1344:
1338:
1337:
1334:
1333:
1331:
1330:
1329:
1328:
1326:Scattered disc
1323:
1318:
1313:
1303:
1298:
1297:
1296:
1294:Neptune trojan
1291:
1283:
1281:
1275:
1274:
1272:
1271:
1269:Spectral types
1266:
1261:
1259:Jupiter trojan
1256:
1251:
1246:
1241:
1235:
1233:
1227:
1226:
1224:
1223:
1218:
1213:
1208:
1203:
1197:
1191:
1185:
1184:
1179:
1177:
1176:
1169:
1162:
1154:
1145:
1144:
1142:
1141:
1139:4186 Tamashima
1136:
1129:
1123:
1120:
1119:
1114:
1112:
1111:
1104:
1097:
1089:
1083:
1082:
1081:
1080:
1038:Close approach
1019:
1018:
1017:
971:
965:
964:, Google books
959:
947:, query form (
940:
939:External links
937:
935:
934:
909:
858:
821:
796:
763:
731:
692:
690:
687:
655:
652:
631:
628:
604:Calvin College
583:
580:
568:
565:
555:begins with a
480:
477:
436:
435:
432:
431:
428:
420:
417:
416:
408:
403:
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399:
391:
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206:
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199:
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186:
185:
178:
177:
166:
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158:
157:
127:
122:
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118:
109:
99:
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84:
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15:
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10:
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3:
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1280:
1276:
1270:
1267:
1265:
1262:
1260:
1257:
1255:
1252:
1250:
1249:Asteroid belt
1247:
1245:
1244:Aten asteroid
1242:
1240:
1237:
1236:
1234:
1232:
1228:
1222:
1219:
1217:
1214:
1212:
1209:
1207:
1204:
1202:
1199:
1198:
1195:
1192:
1190:
1189:Minor planets
1186:
1182:
1175:
1170:
1168:
1163:
1161:
1156:
1155:
1152:
1140:
1137:
1135:
1134:
1133:4185 Phystech
1130:
1128:
1125:
1124:
1121:
1117:
1110:
1105:
1103:
1098:
1096:
1091:
1090:
1087:
1079:
1075:
1071:
1067:
1063:
1062:Orbit diagram
1059:
1055:
1051:
1047:
1043:
1039:
1036:
1033:
1029:
1028:
1023:
1022:4185 Phystech
1020:
1016:
1012:
1008:
1004:
1000:
996:
992:
988:
984:
981:
980:
979:
975:
974:4185 Phystech
972:
969:
966:
963:
960:
957:
953:
950:
946:
943:
942:
938:
923:
919:
913:
910:
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894:
890:
886:
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874:
867:
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863:
859:
846:
840:
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836:
834:
832:
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828:
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809:
803:
801:
797:
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780:
776:
770:
768:
764:
752:
748:
742:
740:
738:
736:
732:
720:
716:
710:
708:
706:
704:
702:
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688:
686:
682:
677:
673:
669:
665:
661:
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651:
649:
645:
641:
637:
629:
627:
624:
619:
615:
610:
605:
601:
597:
593:
589:
581:
579:
577:
573:
566:
564:
562:
558:
554:
551:. The body's
550:
546:
542:
538:
534:
530:
526:
521:
519:
514:
509:
505:
501:
497:
493:
489:
485:
478:
476:
474:
470:
466:
462:
458:
454:
453:asteroid belt
450:
442:
441:4185 Phystech
433:
429:
426:
425:
418:
412:
409:
406:
405:Spectral type
401:
392:
389:
384:
365:
349:
346:
341:
334:
331:
330:Mean diameter
326:
323:
319:
315:
312:
307:
303:
300:
295:
291:
289:
285:
281:
278:
273:
270:
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263:
258:
254:
251:
246:
242:
240:
236:
232:
229:
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220:
218:
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211:
207:
205:
201:
197:
193:
191:
187:
183:
179:
175:
171:
167:
163:
159:
155:
151:
148:
147:
141:
135:
132:
131:
128:
125:
120:
116:
104:
101:1975 ED
100:
97:
92:
88:
85:
79:
75:
72:
67:
62:
58:
54:
51:
48:
46:
42:
39:
36:
34:
30:
25:
22:4185 Phystech
19:
1416:Space debris
1131:
1073:
1065:
1057:
1049:
1041:
1025:
1010:
1002:
999:Orbital info
994:
986:
977:
925:. Retrieved
921:
912:
900:. Retrieved
880:
876:
849:. Retrieved
812:. Retrieved
787:. Retrieved
783:the original
778:
754:. Retrieved
722:. Retrieved
718:
667:
660:minor planet
657:
644:8 Flora
635:
633:
591:
585:
571:
570:
537:eccentricity
522:
508:Flora family
483:
482:
440:
439:
423:
337:(calculated)
262:Mean anomaly
239:Eccentricity
149:
133:
117: 1988 BT
114:
105: 1982 KD
102:
64:Designations
59:4 March 1975
18:
1406:Cosmic dust
1370:Long-period
1360:Halley-type
1316:Kuiper belt
1201:Designation
883:: 174–203.
638:assumes an
596:photometric
588:lightcurves
541:inclination
516:), a giant
288:Inclination
277:Mean motion
82:Named after
38:T. Smirnova
1431:Categories
1411:Meteoroids
1390:Sungrazing
1365:Hyperbolic
1321:Oort cloud
1264:Near-Earth
814:29 October
689:References
217:Perihelion
198:(23,550 d)
176:2458200.5)
146:background
1301:Damocloid
1054:Ephemeris
1046:Discovery
983:Ephemeris
670:(ITA) in
650:of 13.3.
618:magnitude
559:taken at
557:precovery
486:is a non-
414:(assumed)
397:(assumed)
233:2.2174 AU
221:2.0008 AU
130:main-belt
1385:Periodic
1311:Detached
1231:Asteroid
952:Archived
927:27 April
902:27 April
851:27 April
789:27 April
756:27 April
724:27 April
592:Phystech
572:Phystech
549:ecliptic
484:Phystech
449:asteroid
335:5.93 km
204:Aphelion
1350:Extinct
1289:Centaur
1024:at the
885:Bibcode
498:to its
459:at the
445:1975 ED
380: h
316:320.99°
304:265.78°
292:2.2303°
208:2.4339
164:
156:
108:1982 KH
89:
1342:Comets
1254:Family
1239:Active
1206:Groups
1074:·
1072:
1066:·
1064:
1058:·
1056:
1050:·
1048:
1042:·
1040:
1011:·
1009:
1003:·
1001:
995:·
993:
987:·
985:
877:Icarus
681:M.P.C.
654:Naming
640:albedo
488:family
467:has a
362:
267:311.69
243:0.0977
194:64.48
150:·
134:·
115:·
113:
103:·
1399:Other
1355:Great
1076:
1068:
1060:
1052:
1044:
1013:
1005:
997:
989:
683:29143
658:This
623:U=3/3
525:inner
376:0.000
369:4.669
358:0.000
351:4.668
170:Epoch
154:Flora
152:
140:inner
136:
1375:Lost
1216:Moon
1211:List
949:info
929:2018
904:2018
853:2018
816:2019
791:2018
758:2018
726:2018
634:The
602:and
543:of 2
430:13.3
394:0.24
976:at
893:doi
881:267
685:).
626:).
609:H62
600:LPL
590:of
513:402
424:(H)
1433::
920:.
891:.
879:.
875:.
861:^
824:^
799:^
777:.
766:^
734:^
717:.
696:^
529:AU
378:03
371:04
360:14
353:83
210:AU
196:yr
174:JD
1173:e
1166:t
1159:v
1108:e
1101:t
1094:v
958:)
931:.
906:.
895::
887::
855:.
818:.
793:.
760:.
728:.
606:(
545:°
510:(
411:S
374:±
364:h
356:±
269:°
184:0
142:)
138:(
110:4
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