2009 HB21

Summary

2009 HB21 is an asteroid^[1].

Key Facts

• 2009 HB21's instance of is recorded as asteroid^[2].
• 2009 HB21's instance of is recorded as near-Earth object^[3].
• 2009 HB21's instance of is recorded as near-Earth asteroid^[4].
• 2009 HB21's minor planet group is recorded as Apollo asteroid^[5].
• 2009 HB21's parent astronomical body is recorded as Sun^[6].
• 2009 HB21's JPL Small-Body Database SPK-ID is recorded as 3457841^[7].
• 2009 HB21's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.4203707437921714'}^[8].
• 2009 HB21's absolute magnitude is recorded as {'unit': '1', 'amount': '+23.12'}^[9].
• 2009 HB21's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+39.6174342975508'}^[10].
• 2009 HB21's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+833.402969975732'}^[11].
• 2009 HB21's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+206.8813268132227'}^[12].
• 2009 HB21's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+1.733156357766645'}^[13].
• 2009 HB21's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.46172458498914'}^[14].
• 2009 HB21's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+1.00458813054415'}^[15].
• 2009 HB21's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+317.1941793814531'}^[16].
• 2009 HB21's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+18.14055623970751'}^[17].
• 2009 HB21's Google Knowledge Graph ID is recorded as /g/12z65dkzg^[18].
• 2009 HB21's Minor Planet Center body ID is recorded as 2009 HB21^[19].
• 2009 HB21's epoch is recorded as April 22, 2009^[20].
• 2009 HB21's time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2454901.504462647'}^[21].

Body

Designation and Status

Recorded instance of include asteroid^[2], near-Earth object^[3], and near-Earth asteroid^[4].