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1620 Geograf nevelikij potencijno nebezpechnij navkolozemnij asteroyid iz grupi apolloniv iz serednim diametrom priblizno 2 5 km Asteroyid buv vidkritij 14 veresnya 1951 roku astronomami Albertom Dzhordzhem Vilsonom ta Rudolfom Minkovskim v Palomarskij observatoriyi v SShA 5 Mav timchasovu nazvu 1951 RA Nazvanij Geograf na chest Nacionalnogo geografichnogo tovaristva 6 1620 GeografNazvano na chestNacionalne geografichne tovaristvoPoperednik1619 Ueta 1 Nastupnik1621 Druzhbad 1 Pershovidkrivach abo vinahidnikAlbert Vilson 2 i Rudolf Minkovskij 2 Data vidkrittya vinahodu 14 veresnya 1951 3 Misce astronomichnogo vidkrittyaPalomarska observatoriya 3 Grupa asteroyidivGrupa Apollona 3 Batkivske nebesne tiloSonceApocentr248 781 258 974 1 m 4 i 1 663634370418 6 2292E 10 astronomichna odinicya 3 Pericentr123 803 831 839 23 m 4 i 0 827737311382 4 4856E 9 astronomichna odinicya 3 Argument pericentra4 833 radian 4 i 276 95358917172 6 6182E 7 3 Ekscentrisitet orbiti0 3354 0 3354405 4 i 0 335516801906 3 461E 9 3 Nahil orbiti13 341 0 001 0 233 radian 4 i 13 336115206686 1 1702E 7 3 Period obertannya1 39 rik 4 i 507 8216578628 2 8522E 7 doba 3 Period vlasnogo obertannya18 799 344 sekunda 3 Velika pivvis orbiti186 294 572 457 81 m 4 i 1 2456858409 4 6642E 10 astronomichna odinicya 3 Dovgota vishidnogo vuzla5 885 radian 4 i 337 17189424519 4 4065E 7 3 Serednya anomaliya5 437 radian 4 i 5 842708811154 1 2734E 6 3 Spektralnij klas asteroyidaAsteroyidi tipu S 3 Absolyutna zoryana velichina15 6 4 i 15 27 3 Albedo0 29 0 038 3 Diametr2 56 0 15 km 3 Time of periapsis2 460 192 2581831 1 7919E 6 Yulianskij den 3 Timchasove poznachennya1951 RA 3 i 1983 CY3 3 1620 Geograf u Vikishovishi2008 roku bulo viyavleno priskorennya asteroyida dw dt 1 15 0 15 10 8 rad den2 pov yazane z diyeyu YORP efektu 7 Primitki red a b Minor Planet Center Database d Track Q106600690 a b BD malih til Sonyachnoyi sistemi JPL d Track Q4026990 a b v g d e zh i k l m n p r s t u f h c BD malih til Sonyachnoyi sistemi JPL d Track Q4026990 a b v g d e zh i k l https www minorplanetcenter net db search show object object id 1620 1620 Geographos 1951 RA Minor Planet Center Arhiv originalu za 5 veresnya 2017 Procitovano 5 veresnya 2017 Schmadel Lutz D Appendix Publication Dates of the MPCs Dictionary of Minor Planet Names Addendum to Fifth Edition 2006 2008 Springer Berlin Heidelberg s 221 ISBN 978 3 642 01964 7 doi 10 1007 978 3 642 01965 4 Durech J Vokrouhlicky D Kaasalainen M Higgins D Krugly Yu N Gaftonyuk N M Shevchenko V G Chiorny V G Hamanowa H Hamanowa H Reddy V Dyvig R R Detection of the YORP effect in asteroid 1620 Geographos Astronomy and Astrophysics 2008 T 489 vip 2 S L25 L28 Bibcode 2008A amp A 489L 25D DOI 10 1051 0004 6361 200810672 Otrimano z https uk wikipedia org w index php title 1620 Geograf amp oldid 35305734