AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2004RR31 ∴ Summary
Contact »
(197897) 2004RR31  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.44214 1.081e-08 au
e 0.132475 5.244e-08
i 7.445 4.643e-06 deg
Ω 0.827 4.294e-05 deg
ω 50.737 4.801e-05 deg
M 347.363 2.137e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    16.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1186 au
Aphelion 2.7657 au
Asc. node-Earth separation 1.21106 au
Desc. node-Earth separation 1.62271 au
Earth MOID 1.13754 au
Orbital period 1393.98 days
Date of orbit computation  apr 23 20:31
Observational summary
Optical observations (Discarded) 498 (1)
Radar observations (Discarded) 0 (0)
Arc length 7991.72 days
Unobserved 171 days

More info »
Ephemeris at epoch 60427 MJD
Right Ascension 38.0545 deg
Declination 18.6074 deg
V Magnitude 20.92 mag
Solar Elongation -5.85 deg
Galactic Latitude -38.15 deg
Rate 0.542 deg/day
Direction 69.553 deg

More info »