AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2001RP31 ∴ Summary
Contact »
(83221) 2001RP31  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.20686 2.165e-08 au
e 0.116272 3.924e-08
i 11.08 5.042e-06 deg
Ω 155.29 2.198e-05 deg
ω 300.084 3.346e-05 deg
M 234.627 2.361e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    14.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.834 au
Aphelion 3.5797 au
Asc. node-Earth separation 1.99989 au
Desc. node-Earth separation 2.34973 au
Earth MOID 1.87106 au
Orbital period 2097.57 days
Date of orbit computation  feb 22 02:07
Observational summary
Optical observations (Discarded) 881 (8)
Radar observations (Discarded) 0 (0)
Arc length 11084.1 days
Unobserved 665 days

More info »
Ephemeris at epoch 60398 MJD
Right Ascension 331.524 deg
Declination -9.07661 deg
V Magnitude 21.36 mag
Solar Elongation 38.21 deg
Galactic Latitude -47.04 deg
Rate 0.308 deg/day
Direction 72.773 deg

More info »