AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999RQ121 ∴ Summary
Contact »
(38321) 1999RQ121  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.532 1.014e-08 au
e 0.066651 3.714e-08
i 8.695 4.139e-06 deg
Ω 329.652 2.349e-05 deg
ω 311.883 3.875e-05 deg
M 78.615 3.209e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    14.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.3632 au
Aphelion 2.7008 au
Asc. node-Earth separation 1.40246 au
Desc. node-Earth separation 1.65003 au
Earth MOID 1.35661 au
Orbital period 1471.61 days
Date of orbit computation  apr 23 19:54
Observational summary
Optical observations (Discarded) 1566 (11)
Radar observations (Discarded) 0 (0)
Arc length 9379.98 days
Unobserved 165 days

More info »
Ephemeris at epoch 60450 MJD
Right Ascension 26.7153 deg
Declination 16.4013 deg
V Magnitude 20.22 mag
Solar Elongation 28.89 deg
Galactic Latitude -44.44 deg
Rate 0.431 deg/day
Direction 65.547 deg

More info »