2001 QR 322

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Asteroid
2001 QR 322
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 °.

See also