2285 Ron Helin

2285 Ron Helin
Upptäckt[1]
UpptäckareSchelte J. Bus
UpptäcktsplatsSiding Spring-observatoriet
Upptäcktsdatum27 augusti 1976
Beteckningar
MPC-beteckning(2285) Ron Helin
Alternativnamn1976 QB[1]
Uppkallad efterRonald P. Helin[2]
SmåplanetskategoriAsteroidbältet
Flora-asteroid
Omloppsbana[3]
Epok: 21 januari 2022
Aphelium2,681 AU
Perihelium1,759 AU
Halv storaxel2,220 AU
Excentricitet0,2075262
Siderisk omloppstid3,31 år
Medelomloppshastighet19,99 km/s
Medelanomali255,6°
Inklination5,333°
Longitud för uppstigande nod157,8°
Periheliumargument182,9°
Fysikaliska data[1]
Synodisk rotationsperiod12 h
Absolut magnitud (H)14,1[3]

2285 Ron Helin eller 1976 QB[1] är en asteroid i huvudbältet som upptäcktes den 27 augusti 1976 av den amerikanska astronomen Schelte J. Bus vid Siding Spring-observatoriet. Den är uppkallad efter Ronald P. Helin, make till den amerikanska astronomen Eleanor F. Helin.[2]

Den tillhör asteroidgruppen Flora.

Referenser

  1. ^ [a b c d] ”JPL Small-Body Database Browser 2285 Ron Helin” (på engelska). Solar System Dynamics. NASA/Jet Propulsion Laboratory. https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2285. Läst 25 maj 2018. 
  2. ^ [a b] ”Minor Planet Center 2285 Ron Helin” (på engelska). Minor Planet Center. https://www.minorplanetcenter.net/db_search/show_object?object_id=2285. Läst 25 maj 2018. 
  3. ^ [a b] Minor Planet Center Queries, uppdaterad 29 januari 2022.
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