AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2002JR31 ∴ Summary
Contact »
(77988) 2002JR31  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.3373 8.741e-09 au
e 0.212205 3.568e-08
i 3.559 3.902e-06 deg
Ω 82.606 7.044e-05 deg
ω 198.895 7.111e-05 deg
M 9.422 1.293e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    16.1 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8413 au
Aphelion 2.8333 au
Asc. node-Earth separation 1.80889 au
Desc. node-Earth separation 0.84329 au
Earth MOID 0.82509 au
Orbital period 1305.18 days
Date of orbit computation  apr 23 20:02
Observational summary
Optical observations (Discarded) 893 (6)
Radar observations (Discarded) 0 (0)
Arc length 10772 days
Unobserved 293 days

More info »
Ephemeris at epoch 60427 MJD
Right Ascension 338.375 deg
Declination -11.4565 deg
V Magnitude 20.32 mag
Solar Elongation 61.17 deg
Galactic Latitude -54.05 deg
Rate 0.538 deg/day
Direction 70.952 deg

More info »