- 2001 QR322
mp|2001 QR|322 (also written 2001 QR322) was the first
Neptune Trojan discovered in2001 by theDeep Ecliptic Survey . It orbits ahead of Neptune at its L4Lagrangian point .cite web
title=List Of Neptune Trojans
publisher=Minor Planet Center
url=http://cfa-www.harvard.edu/iau/lists/NeptuneTrojans.html
accessdate=2008-05-08]With an
absolute magnitude of 7.3cite web
title=JPL Small-Body Database Browser: 2001 QR322
url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2001QR322
accessdate=2008-05-08] to 7.8, it has a diameter in the range of 75 to 230 km.cite web
title=Absolute Magnitude (H)
url=http://neo.jpl.nasa.gov/glossary/h.html
accessdate=2008-05-08] Though in general, the MPC has better asteroid magnitude parameters.Five other Neptune trojans have been discovered since: mpl|2004 UP|10, mpl|2005 TN|53, mpl|2005 TO|74, mpl|2006 RJ|103 and mpl|2007 VL|305.
References
External links
* [http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2001QR322;orb=1;view=Far Orbital simulation] from JPL (Java) / [http://ssd.jpl.nasa.gov/horizons.cgi?find_body=1&body_group=sb&sstr=2001QR322 Ephemeris]
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