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18610 Arthurdent

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at the Starkenburg Observatory wrote: "You may have heard the sad news that Douglas Adams passed away last Friday. By accident on the same day the naming of minor planet (18610) Arthurdent was announced by the Minor Planet Center. We wanted to make Mr. Adams a joy, but did never dare to think that he
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The near coincidence of these events led to some media reports of the asteroid naming appearing after Adams's death was reported, and to assumptions that the two events occurred on the same day, even by those connected to the naming: on 14 May 2001, German amateur astronomer
1748: 1615: 1610: 1621: 1755: 1462: 1639: 1658: 1605: 1455: 1772: 1721: 1892: 1185: 1696: 1629: 1648: 1120: 1907: 1902: 1882: 1861: 1448: 1499: 1634: 1557: 315: 1507: 1178: 1472: 1146: 545: 92: 1113: 651: 1523: 393: 103: 496: 430: 1171: 1515: 1302: 902: 1106: 959: 32: 292: 1234: 928: 217: 1887: 1393: 793: 1897: 1585: 1067: 1681: 1219: 670: 412:, approximately 3.5 kilometers in diameter. It was discovered on 7 February 1998, by a team of astronomers including 1777: 1550: 1383: 1373: 701:
Masiero, Joseph R.; Mainzer, A. K.; Grav, T.; Bauer, J. M.; Cutri, R. M.; Dailey, J.; et al. (November 2011).
635: 1440: 1378: 606: 44: 1826: 1671: 1214: 70: 843: 1398: 1282: 1194: 1040: 417: 322: 246: 206: 193: 49: 37: 877: 1833: 1783: 1319: 768: 702: 515:(albedo of 0.25), which gives a diameter of approximately 3 kilometers for an absolute magnitude of 14.3. 577:
wouldn't be able to receive this surprise, when we sent our name proposal to the MPC a few months back."
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mission, Arthurdent measures 3.5 kilometers in diameter and its surface has an
1388: 1334: 563:). Two days later, Adams died of a heart attack in Santa Barbara, California. 167: 864: 703:"Main Belt Asteroids with WISE/NEOWISE. I. Preliminary Albedos and Diameters" 1846: 1810: 1424: 1314: 1163: 467: 137: 1098: 674: 1805: 1244: 463: 405: 500: 1749:
Don't Panic: The Official Hitchhiker's Guide to the Galaxy Companion
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Discovery Circumstances: Numbered Minor Planets (15001)-(20000)
603:"JPL Small-Body Database Browser: 18610 Arthurdent (1998 CC2)" 450:
once every 4 years and 1 month (1,485 days). Its orbit has an
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Douglas Adams's Guide to The Hitchhiker's Guide to the Galaxy
817:"Planetary tribute to Hitch Hiker author as Arthurdent named" 543:, the bewildered hero of Douglas Adams's radio play and book 903:"Douglas Adams – The more than complete Hitchhikers's Guide" 482:
by 10 years prior to its official discovery observation.
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Dictionary of Minor Planet Names – (18610) Arthurdent
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in Heppenheim, Germany. The asteroid was named after
927:. Cambridge Conference Correspondence. 14 May 2001. 1793: 1765: 1738: 1713: 1657: 1598: 1576: 1542: 1491: 1484: 1412: 1354: 1291: 1243: 1201: 855:, no. M.P.C. 42677, Cambridge, Massachusetts: 368: 350: 321: 314: 302: 290: 280: 268: 253: 237: 227: 215: 205: 192: 182: 155: 129: 101: 80: 68: 63: 55: 43: 31: 26: 549:. The naming of the asteroid was announced by the 763: 761: 630:Schmadel, Lutz D. (2007). "(18610) Arthurdent". 696: 694: 692: 495:According to the survey carried out by NASA's 1456: 1179: 1114: 8: 21: 1893:Discoveries by the Starkenburg Observatory 1488: 1463: 1449: 1441: 1207: 1186: 1172: 1164: 1121: 1107: 1099: 1044: 625: 623: 523:As of 2017, the Arthurdent's composition, 1558:Douglas Adams's Starship Titanic: A Novel 1508:The Restaurant at the End of the Universe 976:Asteroids and comets rotation curves, CdR 718: 597: 595: 593: 591: 589: 446:main-belt at a distance of 2.0–3.1  1908:Astronomical objects discovered in 1998 1883:Minor planet object articles (numbered) 978:– Observatoire de Genève, Raoul Behrend 585: 20: 796:. Asteroid Lightcurve Database (LCDB) 507:of 0.234. This agrees with a generic 293:Longitude of ascending node 7: 1903:The Hitchhiker's Guide to the Galaxy 1722:The Hitchhiker's Guide to the Galaxy 1642:The Hitchhiker's Guide to the Galaxy 1524:So Long, and Thanks for All the Fish 1500:The Hitchhiker's Guide to the Galaxy 1473:The Hitchhiker's Guide to the Galaxy 546:The Hitchhiker's Guide to the Galaxy 93:The Hitchhiker's Guide to the Galaxy 1049: 953:Asteroid Lightcurve Database (LCDB) 665: 663: 497:Wide-field Infrared Survey Explorer 794:"LCDB Data for (18610) Arthurdent" 478:in 1988, extending the asteroid's 14: 1516:Life, the Universe and Everything 931:from the original on 3 March 2016 905:. Inert Ramblings. 28 August 2003 442:Arthurdent orbits the Sun in the 1699:Hitchhiker's Guide to the Galaxy 992:AstDyS-2, Asteroids—Dynamic Site 970:Dictionary of Minor Planet Names 431:Hitchhiker's Guide to the Galaxy 644:10.1007/978-3-540-29925-7_9512 511:-to-diameter conversion for a 408:from the middle region of the 1: 769:"18610 Arthurdent (1998 CC2)" 1841:Fiordichthys slartibartfasti 844:"New Names of Minor Planets" 1682:Marvin the Paranoid Android 815:Tim Radford (16 May 2001). 470:image was taken during the 305:Argument of perihelion 1924: 1622:The Original Radio Scripts 1551:Young Zaphod Plays It Safe 737:10.1088/0004-637X/741/2/68 673:. NASA/JPL. Archived from 636:Springer Berlin Heidelberg 527:and shape remain unknown. 132:Minor planet category 1857: 1210: 1195:Small Solar System bodies 1136: 707:The Astrophysical Journal 607:Jet Propulsion Laboratory 383: 240:Orbital period (sidereal) 174: 162: 1827:Bidenichthys beeblebroxi 962:16 December 2017 at the 671:"Absolute Magnitude (H)" 605:(2016-10-29 last obs.). 486:Physical characteristics 438:Orbit and classification 371:Absolute magnitude  316:Physical characteristics 104:Alternative designations 1778:Somebody else's problem 1130:Minor planets navigator 1041:JPL Small-Body Database 418:Starkenburg Observatory 394:provisional designation 157:Orbital characteristics 1834:Erechthias beeblebroxi 1784:Encyclopedia Galactica 1320:Trans-Neptunian object 1005:Observation prediction 567:Coincidence with death 188:28.06 yr (10,248 days) 1616:Phases 3, 4, 5, and 6 984:– Minor Planet Center 878:"MPC/MPO/MPS Archive" 852:Minor Planet Circular 556:Minor Planet Circular 176:Uncertainty parameter 1888:Background asteroids 1293:Distant minor planet 513:silicaceous asteroid 499:with its subsequent 472:Digitized Sky Survey 462:with respect to the 71:MPC designation 1898:Named minor planets 1566:The Salmon of Doubt 1092:Physical parameters 882:Minor Planet Center 857:Minor Planet Center 773:Minor Planet Center 729:2011ApJ...741...68M 551:Minor Planet Center 491:Diameter and albedo 476:Palomar Observatory 56:Discovery date 45:Discovery site 23: 1848:Kiitoksia kaloista 1821:25924 Douglasadams 1586:And Another Thing… 1141:18609 Shinobuyama 1029:Observational info 509:absolute magnitude 466:. The first known 166:4 September 2017 ( 76:(18610) Arthurdent 33:Discovered by 1870: 1869: 1677:Zaphod Beeblebrox 1594: 1593: 1438: 1437: 1350: 1349: 1235:Meanings of names 1161: 1160: 653:978-3-540-00238-3 387: 386: 276:0° 14 32.64 / day 1915: 1816:18610 Arthurdent 1729:Starship Titanic 1489: 1465: 1458: 1451: 1442: 1208: 1188: 1181: 1174: 1165: 1153:18611 Baudelaire 1147:18610 Arthurdent 1123: 1116: 1109: 1100: 1084:Orbital elements 1048: 1036:18610 Arthurdent 988:18610 Arthurdent 941: 940: 938: 936: 921: 915: 914: 912: 910: 899: 893: 892: 890: 888: 874: 868: 867: 848: 840: 834: 833: 831: 829: 812: 806: 805: 803: 801: 790: 784: 783: 781: 779: 765: 756: 755: 753: 751: 722: 698: 687: 686: 684: 682: 667: 658: 657: 627: 618: 617: 615: 613: 599: 562: 539:was named after 402: 390:18610 Arthurdent 364: 362: 353:Geometric albedo 345: 343: 337: 329: 151: 125: 114: 97: 50:Starkenburg Obs. 38:Starkenburg Obs. 24: 22:18610 Arthurdent 1923: 1922: 1918: 1917: 1916: 1914: 1913: 1912: 1873: 1872: 1871: 1866: 1853: 1789: 1761: 1740: 1734: 1709: 1653: 1590: 1572: 1538: 1532:Mostly Harmless 1480: 1469: 1439: 1434: 1408: 1346: 1287: 1239: 1197: 1192: 1162: 1157: 1132: 1127: 1021:Proper elements 964:Wayback Machine 949: 944: 934: 932: 925:"CCNet 67/2001" 923: 922: 918: 908: 906: 901: 900: 896: 886: 884: 876: 875: 871: 846: 842: 841: 837: 827: 825: 814: 813: 809: 799: 797: 792: 791: 787: 777: 775: 767: 766: 759: 749: 747: 700: 699: 690: 680: 678: 677:on 2 March 2001 669: 668: 661: 654: 638:. p. 853. 629: 628: 621: 611: 609: 601: 600: 587: 583: 569: 560: 559:on 9 May 2001 ( 533: 525:rotation period 521: 519:Rotation period 493: 488: 480:observation arc 454:of 0.21 and an 440: 401: 397: 376: 360: 358: 355: 341: 339: 338: 331: 327: 307: 295: 273: 258: 242: 220: 218:Semi-major axis 184:Observation arc 145: 134: 124: 120: 113: 109: 106: 89: 83: 73: 59:7 February 1998 17: 12: 11: 5: 1921: 1919: 1911: 1910: 1905: 1900: 1895: 1890: 1885: 1875: 1874: 1868: 1867: 1865: 1864: 1858: 1855: 1854: 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1270: 1265: 1260: 1255: 1249: 1247: 1241: 1240: 1238: 1237: 1232: 1227: 1222: 1217: 1211: 1205: 1199: 1198: 1193: 1191: 1190: 1183: 1176: 1168: 1159: 1158: 1156: 1155: 1150: 1143: 1137: 1134: 1133: 1128: 1126: 1125: 1118: 1111: 1103: 1097: 1096: 1095: 1094: 1052:Close approach 1033: 1032: 1031: 985: 979: 973: 972:, Google books 967: 955:, query form ( 948: 947:External links 945: 943: 942: 916: 894: 869: 859:, 9 May 2001, 835: 807: 785: 757: 688: 659: 652: 619: 584: 582: 579: 568: 565: 532: 529: 520: 517: 492: 489: 487: 484: 439: 436: 399: 385: 384: 381: 380: 377: 369: 366: 365: 356: 351: 348: 347: 325: 319: 318: 312: 311: 308: 303: 300: 299: 296: 291: 288: 287: 284: 278: 277: 274: 269: 266: 265: 259: 254: 251: 250: 243: 238: 235: 234: 231: 225: 224: 221: 216: 213: 212: 209: 203: 202: 196: 190: 189: 186: 180: 179: 172: 171: 160: 159: 153: 152: 135: 130: 127: 126: 122: 111: 107: 102: 99: 98: 84: 81: 78: 77: 74: 69: 66: 65: 61: 60: 57: 53: 52: 47: 41: 40: 35: 29: 28: 15: 13: 10: 9: 6: 4: 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Retrieved 919: 907:. Retrieved 897: 885:. Retrieved 881: 872: 850: 838: 826:. Retrieved 822:The Guardian 820: 810: 798:. Retrieved 788: 776:. Retrieved 772: 748:. Retrieved 710: 706: 679:. Retrieved 675:the original 631: 610:. Retrieved 574:Reiner Stoss 570: 561:M.P.C. 42677 554: 544: 537:minor planet 534: 522: 494: 452:eccentricity 441: 429: 396: 389: 388: 372: 256:Mean anomaly 249:(1,485 days) 229:Eccentricity 141: 116: 91: 64:Designations 18: 1766:Miscellanea 1667:Arthur Dent 1579:Eoin Colfer 1492:Main series 1420:Cosmic dust 1384:Long-period 1374:Halley-type 1330:Kuiper belt 1215:Designation 541:Arthur Dent 456:inclination 422:Arthur Dent 282:Inclination 271:Mean motion 87:Arthur Dent 82:Named after 1877:Categories 1794:In culture 1659:Characters 1649:Cast lists 1425:Meteoroids 1404:Sungrazing 1379:Hyperbolic 1335:Oort cloud 1278:Near-Earth 750:3 December 581:References 323:Dimensions 207:Perihelion 170:2458000.5) 1811:Towel Day 1739:Companion 1635:2005 film 1315:Damocloid 1068:Ephemeris 1060:Discovery 997:Ephemeris 865:0736-6884 745:118745497 720:1109.4096 713:(2): 20. 474:(DSS) at 468:precovery 332:(est. at 223:2.5475 AU 211:2.0018 AU 138:main-belt 27:Discovery 1862:Category 1806:Hitchcon 1687:Trillian 1644:versions 1553:" (1986) 1399:Periodic 1325:Detached 1245:Asteroid 960:Archived 929:Archived 464:ecliptic 434:series. 406:asteroid 404:) is an 194:Aphelion 16:Asteroid 1773:Phrases 1364:Extinct 1303:Centaur 1038:at the 935:7 April 909:7 April 828:7 April 800:26 June 778:7 April 725:Bibcode 681:7 April 612:26 June 501:NEOWISE 444:central 398:1998 CC 310:139.42° 298:319.49° 286:5.5878° 198:3.0932 121:1990 EG 110:1998 CC 1705:Vogons 1589:(2009) 1569:(2002) 1561:(1997) 1535:(1992) 1527:(1984) 1519:(1982) 1511:(1980) 1503:(1979) 1356:Comets 1268:Family 1253:Active 1220:Groups 1088:· 1086:  1080:· 1078:  1072:· 1070:  1064:· 1062:  1056:· 1054:  1025:· 1023:  1017:· 1015:  1009:· 1007:  1001:· 999:  887:19 May 863:  743:  650:  531:Naming 505:albedo 261:321.77 233:0.2142 148:middle 142:· 140:  117:· 115:  1741:media 1714:Games 1599:Media 1485:Books 1413:Other 1369:Great 1090: 1082: 1074: 1066: 1058: 1027: 1019: 1011: 1003: 847:(PDF) 741:S2CID 715:arXiv 535:This 424:from 363:0.020 359:0.234 344:0.055 340:3.463 245:4.07 164:Epoch 144: 119: 1801:h2g2 1697:The 1389:Lost 1230:Moon 1225:List 957:info 937:2016 911:2016 889:2016 861:ISSN 830:2016 802:2017 780:2016 752:2016 683:2016 648:ISBN 614:2017 458:of 6 379:14.4 334:0.25 1577:by 1476:by 990:at 733:doi 711:741 640:doi 428:'s 416:at 373:(H) 330:km 1879:: 880:. 849:, 819:. 771:. 760:^ 739:. 731:. 723:. 709:. 705:. 691:^ 662:^ 646:. 634:. 622:^ 588:^ 448:AU 346:km 247:yr 200:AU 168:JD 1549:" 1464:e 1457:t 1450:v 1187:e 1180:t 1173:v 1122:e 1115:t 1108:v 966:) 939:. 913:. 891:. 832:. 804:. 782:. 754:. 735:: 727:: 717:: 685:. 656:. 642:: 616:. 460:° 400:2 392:( 361:± 342:± 336:) 328:3 263:° 178:0 150:) 146:( 123:3 112:2 96:) 90:(

Index

Discovered by
Starkenburg Obs.
Discovery site
Starkenburg Obs.
MPC designation
Arthur Dent
The Hitchhiker's Guide to the Galaxy
Alternative designations
Minor planet category
main-belt
middle
Orbital characteristics
Epoch
JD
Uncertainty parameter
Observation arc
Aphelion
AU
Perihelion
Semi-major axis
Eccentricity
Orbital period (sidereal)
yr
Mean anomaly
°
Mean motion
Inclination
Longitude of ascending node
Argument of perihelion
Physical characteristics

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