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145534 Jhongda

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1092: 859:; Lin, Hsing-Wen; Cheng, Yu-Chi; Ngeow, Chow-Choong; Yang, Ting-Chang; et al. (August 2015). "Asteroid Spin-rate Study Using the Intermediate Palomar Transient Factory". 1221: 572: 1166: 1511: 1486: 300: 1187: 1214: 1496: 1159: 101: 1501: 1207: 1338: 952: 1152: 1011: 29: 277: 1270: 206: 1429: 1506: 1113: 746: 830: 1255: 564: 471: 88: 917:
Nesvorný, D.; Broz, M.; Carruba, V. (December 2014). "Identification and Dynamical Properties of Asteroid Families".
1419: 1409: 1491: 1414: 722: 607: 45: 1250: 71: 1434: 1318: 1230: 1086: 388: 339: 308: 195: 182: 174: 976: 686: 1355: 603: 581: 1260: 1175: 623: 289: 160: 1074: 1050: 1042: 1328: 1066: 1058: 1033: 1027: 932: 878: 774: 520: 217: 637: 576: 524: 454:, approximately 2–3 kilometers (1–2 miles) in diameter. It was discovered by Taiwanese astronomers 266: 856: 567:, which controls the discovering Lulin Observatory. "Jhongda" is the University's abbreviation in 958: 922: 894: 868: 652:
measure only 2.1 kilometers for an albedo of 0.23, which is typical for the stony members of the
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Discovery Circumstances: Numbered Minor Planets (145001)-(150000)
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of 0.057 and calculates a diameter of 3.54 kilometers with an
719:"JPL Small-Body Database Browser: 145534 Jhongda (2006 GJ)" 632:) indicative of an elongated, non-spherical shape. The 466:
on 1 April 2006. The likely elongated asteroid has a
1448: 1390: 1327: 1279: 1237: 414: 386: 358: 337: 306: 299: 287: 275: 265: 253: 238: 226: 216: 204: 194: 181: 167: 140: 111: 99: 81: 69: 64: 56: 44: 28: 23: 622:hours with a high brightness variation of 0.67 in 912: 910: 908: 769: 767: 606:observation by astronomers at the Intermediate 1215: 1160: 515:once every 4 years and 5 months (1,625 days; 470:of 4.5 hours. It was named for the Taiwanese 8: 850: 848: 681: 679: 677: 675: 673: 671: 669: 18: 861:The Astrophysical Journal Supplement Series 543:in February 1992, extending the asteroid's 1243: 1222: 1208: 1200: 1167: 1153: 1145: 1090: 610:in California. Lightcurve analysis gave a 547:by 14 years prior to its discovery at the 926: 872: 713: 711: 709: 707: 741: 739: 511:main-belt at a distance of 2.3–3.1  450:, orbiting in the central region of the 1512:Astronomical objects discovered in 2006 1487:Minor planet object articles (numbered) 945:10.2458/azu_uapress_9780816532131-ch016 665: 825: 823: 821: 819: 817: 634:Collaborative Asteroid Lightcurve Link 17: 833:. Asteroid Lightcurve Database (LCDB) 278:Longitude of ascending node 7: 777:. AstDyS-2, Asteroids – Dynamic Site 1095: 1005:Asteroid Lightcurve Database (LCDB) 794: 792: 519:of 2.71 AU). Its orbit has an 14: 1038:AstDyS-2, Asteroids—Dynamic Site 1022:Dictionary of Minor Planet Names 831:"LCDB Data for (145534) Jhongda" 594:In January 2014, a rotational 563:was named after the Taiwanese 1: 1497:Discoveries by Yang Tingzhang 503:named after its parent body 775:"Asteroid (145534) Jhongda" 565:National Central University 507:. It orbits the Sun in the 472:National Central University 290:Argument of perihelion 89:National Central University 1528: 891:10.1088/0067-0049/219/2/27 687:"145534 Jhongda (2006 GJ)" 438:, provisional designation 114:Minor planet category 1502:Discoveries by Quanzhi Ye 1246: 1231:Small Solar System bodies 1182: 800:"Asteroid Size Estimator" 747:"Asteroid 145534 Jhongda" 723:Jet Propulsion Laboratory 608:Palomar Transient Factory 429: 229:Orbital period (sidereal) 159: 147: 1014:16 December 2017 at the 751:Small Bodies Data Ferret 721:(2018-01-23 last obs.). 590:Physical characteristics 478:Orbit and classification 446:and member of the stony 417:Absolute magnitude  301:Physical characteristics 102:Alternative designations 1176:Minor planets navigator 1087:JPL Small-Body Database 340:Synodic rotation period 142:Orbital characteristics 1356:Trans-Neptunian object 1051:Observation prediction 648:of 15.98. Conversely, 642:carbonaceous asteroids 94:(Taiwanese University) 1030:– Minor Planet Center 977:"MPC/MPO/MPS Archive" 575:was published by the 161:Uncertainty parameter 1329:Distant minor planet 921:. pp. 297–321. 531:with respect to the 72:MPC designation 1507:Named minor planets 1138:Physical parameters 981:Minor Planet Center 937:2015aste.book..297N 883:2015ApJS..219...27C 691:Minor Planet Center 636:assumes a standard 577:Minor Planet Center 485:is a member of the 57:Discovery date 46:Discovery site 20: 1075:Observational info 646:absolute magnitude 602:was obtained from 30:Discovered by 1474: 1473: 1386: 1385: 1271:Meanings of names 1197: 1196: 855:Chang, Chan-Kao; 579:on 2 April 2007 ( 549:Lulin Observatory 464:Lulin Observatory 433: 432: 234:4.45 yr (1,625 d) 1519: 1492:Merxia asteroids 1244: 1224: 1217: 1210: 1201: 1169: 1162: 1155: 1146: 1130:Orbital elements 1094: 992: 991: 989: 987: 973: 967: 966: 930: 914: 903: 902: 876: 852: 843: 842: 840: 838: 827: 812: 811: 809: 807: 802:. CNEOS NASA/JPL 796: 787: 786: 784: 782: 771: 762: 761: 759: 757: 743: 734: 733: 731: 729: 715: 702: 701: 699: 697: 683: 631: 621: 619: 585: 569:Mandarin Chinese 501:S-type asteroids 494: 441: 410: 399: 382: 375: 371: 368: 361:Geometric albedo 354: 349: 333: 330: 326: 319: 261:0° 13 17.4 / day 131: 95: 91: 77:(145534) Jhongda 21: 1527: 1526: 1522: 1521: 1520: 1518: 1517: 1516: 1477: 1476: 1475: 1470: 1444: 1382: 1323: 1275: 1233: 1228: 1198: 1193: 1178: 1173: 1067:Proper elements 1016:Wayback Machine 1001: 996: 995: 985: 983: 975: 974: 970: 955: 916: 915: 906: 854: 853: 846: 836: 834: 829: 828: 815: 805: 803: 798: 797: 790: 780: 778: 773: 772: 765: 755: 753: 745: 744: 737: 727: 725: 717: 716: 705: 695: 693: 685: 684: 667: 662: 627: 617: 615: 612:rotation period 592: 580: 573:naming citation 571:. The official 557: 545:observation arc 523:of 0.14 and an 517:semi-major axis 505:808 Merxia 490: 480: 468:rotation period 439: 422: 404: 400: 397: 391: 376: 373: 372: 369: 366: 363: 347: 345: 342: 331: 328: 327: 320: 314: 311: 292: 280: 258: 243: 231: 209: 207:Semi-major axis 169:Observation arc 151:27 April 2019 ( 133: 127: 116: 104: 93: 92: 87: 84: 74: 37: 12: 11: 5: 1525: 1523: 1515: 1514: 1509: 1504: 1499: 1494: 1489: 1479: 1478: 1472: 1471: 1469: 1468: 1463: 1458: 1452: 1450: 1446: 1445: 1443: 1442: 1437: 1432: 1430:Near-parabolic 1427: 1422: 1417: 1412: 1407: 1402: 1396: 1394: 1388: 1387: 1384: 1383: 1381: 1380: 1379: 1378: 1376:Scattered disc 1373: 1368: 1363: 1353: 1348: 1347: 1346: 1344:Neptune trojan 1341: 1333: 1331: 1325: 1324: 1322: 1321: 1319:Spectral types 1316: 1311: 1309:Jupiter trojan 1306: 1301: 1296: 1291: 1285: 1283: 1277: 1276: 1274: 1273: 1268: 1263: 1258: 1253: 1247: 1241: 1235: 1234: 1229: 1227: 1226: 1219: 1212: 1204: 1195: 1194: 1192: 1191: 1188:145534 Jhongda 1183: 1180: 1179: 1174: 1172: 1171: 1164: 1157: 1149: 1143: 1142: 1141: 1140: 1098:Close approach 1082:145534 Jhongda 1079: 1078: 1077: 1034:145534 Jhongda 1031: 1025: 1024:, Google books 1019: 1007:, query form ( 1000: 999:External links 997: 994: 993: 968: 953: 904: 844: 813: 788: 763: 735: 703: 664: 663: 661: 658: 591: 588: 556: 553: 479: 476: 456:Yang Tingzhang 436:145534 Jhongda 431: 430: 427: 426: 423: 415: 412: 411: 392: 387: 384: 383: 364: 359: 356: 355: 343: 338: 335: 334: 312: 307: 304: 303: 297: 296: 293: 288: 285: 284: 281: 276: 273: 272: 269: 263: 262: 259: 254: 251: 250: 244: 239: 236: 235: 232: 227: 224: 223: 220: 214: 213: 210: 205: 202: 201: 198: 192: 191: 185: 179: 178: 171: 165: 164: 157: 156: 145: 144: 138: 137: 117: 112: 109: 108: 105: 100: 97: 96: 85: 82: 79: 78: 75: 70: 67: 66: 62: 61: 58: 54: 53: 48: 42: 41: 32: 26: 25: 19:145534 Jhongda 13: 10: 9: 6: 4: 3: 2: 1524: 1513: 1510: 1508: 1505: 1503: 1500: 1498: 1495: 1493: 1490: 1488: 1485: 1484: 1482: 1467: 1464: 1462: 1459: 1457: 1454: 1453: 1451: 1447: 1441: 1438: 1436: 1433: 1431: 1428: 1426: 1423: 1421: 1418: 1416: 1413: 1411: 1408: 1406: 1403: 1401: 1398: 1397: 1395: 1393: 1389: 1377: 1374: 1372: 1369: 1367: 1364: 1362: 1359: 1358: 1357: 1354: 1352: 1349: 1345: 1342: 1340: 1337: 1336: 1335: 1334: 1332: 1330: 1326: 1320: 1317: 1315: 1312: 1310: 1307: 1305: 1302: 1300: 1299:Asteroid belt 1297: 1295: 1294:Aten asteroid 1292: 1290: 1287: 1286: 1284: 1282: 1278: 1272: 1269: 1267: 1264: 1262: 1259: 1257: 1254: 1252: 1249: 1248: 1245: 1242: 1240: 1239:Minor planets 1236: 1232: 1225: 1220: 1218: 1213: 1211: 1206: 1205: 1202: 1190: 1189: 1185: 1184: 1181: 1177: 1170: 1165: 1163: 1158: 1156: 1151: 1150: 1147: 1139: 1135: 1131: 1127: 1123: 1122:Orbit diagram 1119: 1115: 1111: 1107: 1103: 1099: 1096: 1093: 1089: 1088: 1083: 1080: 1076: 1072: 1068: 1064: 1060: 1056: 1052: 1048: 1044: 1041: 1040: 1039: 1035: 1032: 1029: 1026: 1023: 1020: 1017: 1013: 1010: 1006: 1003: 1002: 998: 982: 978: 972: 969: 964: 960: 956: 954:9780816532131 950: 946: 942: 938: 934: 929: 924: 920: 913: 911: 909: 905: 900: 896: 892: 888: 884: 880: 875: 870: 866: 862: 858: 857:Ip, Wing-Huen 851: 849: 845: 832: 826: 824: 822: 820: 818: 814: 801: 795: 793: 789: 776: 770: 768: 764: 752: 748: 742: 740: 736: 724: 720: 714: 712: 710: 708: 704: 692: 688: 682: 680: 678: 676: 674: 672: 670: 666: 659: 657: 655: 654:Merxia family 651: 647: 643: 639: 635: 630: 625: 613: 609: 605: 601: 597: 589: 587: 583: 578: 574: 570: 566: 562: 554: 552: 550: 546: 542: 539:was taken by 538: 534: 530: 526: 522: 518: 514: 510: 506: 502: 498: 493: 488: 487:Merxia family 484: 477: 475: 473: 469: 465: 461: 457: 453: 452:asteroid belt 449: 448:Merxia family 445: 437: 428: 424: 421: 420: 413: 408: 403: 396: 393: 390: 389:Spectral type 385: 380: 379:family albedo 365: 362: 357: 353: 344: 341: 336: 324: 318: 313: 310: 309:Mean diameter 305: 302: 298: 294: 291: 286: 282: 279: 274: 270: 268: 264: 260: 257: 252: 249: 245: 242: 237: 233: 230: 225: 221: 219: 215: 211: 208: 203: 199: 197: 193: 190: 186: 184: 180: 176: 172: 170: 166: 162: 158: 154: 150: 146: 143: 139: 136: 130: 125: 121: 118: 115: 110: 106: 103: 98: 90: 86: 80: 76: 73: 68: 63: 59: 55: 52: 49: 47: 43: 40: 36: 33: 31: 27: 22: 16: 1466:Space debris 1186: 1133: 1125: 1117: 1109: 1101: 1085: 1070: 1062: 1059:Orbital info 1054: 1046: 1037: 984:. Retrieved 980: 971: 919:Asteroids IV 918: 864: 860: 835:. Retrieved 804:. Retrieved 779:. Retrieved 754:. Retrieved 750: 726:. Retrieved 694:. Retrieved 690: 649: 633: 599: 593: 561:minor planet 558: 535:. The first 521:eccentricity 482: 481: 435: 434: 418: 407:family based 332:(calculated) 329:3.54 km 241:Mean anomaly 218:Eccentricity 123: 65:Designations 60:1 April 2006 15: 1456:Cosmic dust 1420:Long-period 1410:Halley-type 1366:Kuiper belt 1251:Designation 604:photometric 525:inclination 495:), a large 350:0.040  267:Inclination 256:Mean motion 83:Named after 1481:Categories 1461:Meteoroids 1440:Sungrazing 1415:Hyperbolic 1371:Oort cloud 1314:Near-Earth 986:4 December 928:1502.01628 874:1506.08493 837:4 December 806:4 December 781:4 December 756:4 December 728:4 December 696:4 December 660:References 596:lightcurve 541:Spacewatch 460:Ye Quanzhi 196:Perihelion 155:2458600.5) 51:Lulin Obs. 35:T.-C. Yang 1351:Damocloid 1114:Ephemeris 1106:Discovery 1043:Ephemeris 963:119280014 867:(2): 19. 624:magnitude 537:precovery 499:of stony 398:(assumed) 370:(assumed) 321:(est. at 315:2.1  212:2.7055 AU 200:2.3208 AU 177:(9,464 d) 120:main-belt 24:Discovery 1435:Periodic 1361:Detached 1281:Asteroid 1012:Archived 899:17093124 533:ecliptic 444:asteroid 442:, is an 183:Aphelion 39:Q.-Z. Ye 1400:Extinct 1339:Centaur 1084:at the 933:Bibcode 879:Bibcode 650:Jhongda 600:Jhongda 509:central 483:Jhongda 462:at the 440:2006 GJ 295:189.48° 283:105.82° 271:6.2031° 187:3.0903 107:2006 GJ 1392:Comets 1304:Family 1289:Active 1256:Groups 1134:· 1132:  1126:· 1124:  1118:· 1116:  1110:· 1108:  1102:· 1100:  1071:· 1069:  1063:· 1061:  1055:· 1053:  1047:· 1045:  961:  951:  897:  638:albedo 582:M.P.C. 555:Naming 497:family 246:262.51 222:0.1422 173:25.91 135:Merxia 129:middle 126: ( 124:· 122:  1449:Other 1405:Great 1136: 1128: 1120: 1112: 1104: 1073: 1065: 1057: 1049: 959:S2CID 923:arXiv 895:S2CID 869:arXiv 620:0.040 616:4.490 584:59389 559:This 367:0.057 149:Epoch 1425:Lost 1266:Moon 1261:List 1009:info 988:2018 949:ISBN 839:2018 808:2018 783:2018 758:2018 730:2018 698:2018 640:for 527:of 6 458:and 425:15.6 374:0.23 346:4.49 323:0.23 1036:at 941:doi 887:doi 865:219 629:U=2 614:of 598:of 586:). 492:513 419:(H) 1483:: 979:. 957:. 947:. 939:. 931:. 907:^ 893:. 885:. 877:. 863:. 847:^ 816:^ 791:^ 766:^ 749:. 738:^ 706:^ 689:. 668:^ 656:. 551:. 513:AU 474:. 317:km 189:AU 175:yr 153:JD 1223:e 1216:t 1209:v 1168:e 1161:t 1154:v 1018:) 990:. 965:. 943:: 935:: 925:: 901:. 889:: 881:: 871:: 841:. 810:. 785:. 760:. 732:. 700:. 626:( 618:± 529:° 489:( 409:) 405:( 402:S 395:C 381:) 377:( 352:h 348:± 325:) 248:° 163:0 132:)

Index

Discovered by
T.-C. Yang
Q.-Z. Ye
Discovery site
Lulin Obs.
MPC designation
National Central University
Alternative designations
Minor planet category
main-belt
middle
Merxia
Orbital characteristics
Epoch
JD
Uncertainty parameter
Observation arc
yr
Aphelion
AU
Perihelion
Semi-major axis
Eccentricity
Orbital period (sidereal)
Mean anomaly
°
Mean motion
Inclination
Longitude of ascending node
Argument of perihelion

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