(18228) Hyperenor
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Asteroid (18228) Hyperenor |
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|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Jupiter Trojan (L 5 ) |
| Major semi-axis | 5.2767 AU |
| eccentricity | 0.1283 |
| Perihelion - aphelion | 4.5999 AU - 5.9536 AU |
| Inclination of the orbit plane | 3.2012 ° |
| Sidereal period | 12.12 a |
| Mean orbital velocity | 12.96 km / s |
| Physical Properties | |
| Absolute brightness | 12.5 mag |
| history | |
| Explorer | Cornelis van Houten , Ingrid van Houten-Groeneveld |
| Date of discovery | March 26, 1971 |
| Another name | 3163 T-1, 1992 BE |
| Source: Unless otherwise stated, the data comes from JPL Small-Body Database Browser . The affiliation to an asteroid family is automatically determined from the AstDyS-2 database . Please also note the note on asteroid items. | |
(18228) Hyperenor is an asteroid belonging to the group of Jupiter Trojans . This describes asteroids that move around the sun on the Lagrange points on Jupiter's orbit .
(18228) Hyperenor was discovered on March 26, 1971 by the Dutch astronomers Cornelis Johannes van Houten , Ingrid van Houten-Groeneveld and Tom Gehrels at the Palomar Observatory ( IAU code 675). It is assigned to the Lagrangian point L 5 .
The asteroid is named after the mythological Trojan hero Hyperenor , a son of the Trojan hero Panthoos . He was a brother of the Euphorbo and the Polydama .
See also
Web links
- Asteroid Hyperenor: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- (18228) Hyperenor in the Small-Body Database of the Jet Propulsion Laboratory (English).
- (18228) Hyperenor in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).