2001 QR 322
Asteroid 2001 QR 322 |
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Properties of the orbit ( animation ) | |
Orbit type | Neptune Trojan (L 4 ) |
Major semi-axis | 30.3 AU |
eccentricity | 0.031 |
Perihelion - aphelion | 29.4 AU - 31.2 AU |
Inclination of the orbit plane | 1.32 ° |
Sidereal period | 167 a |
Mean orbital velocity | 5.4 km / s |
Physical Properties | |
Absolute brightness | approx 7.8 mag |
history | |
Explorer | Lowell DES |
Date of discovery | August 21, 2001 |
Another name | MPO157352 |
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. |
The asteroid 2001 QR 322 was discovered on August 21, 2001. 2001 QR 322 was the first known Neptune Trojan . This is the name of asteroids that orbit the sun on the Lagrange points of Neptune's orbit . 2001 QR 322 is to be assigned to the Lagrange point L 4 . In this position he runs ahead of Neptune by 60 °.