AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998UO31 ∴ Summary
Contact »
(120955) 1998UO31  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.22561 5.884e-09 au
e 0.229734 3.36e-08
i 3.491 4.218e-06 deg
Ω 64.596 6.925e-05 deg
ω 237.58 7.077e-05 deg
M 323.192 1.576e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    16.0 mag
Slope parameter (G)    0.15 mag
Perihelion 1.7143 au
Aphelion 2.7369 au
Asc. node-Earth separation 1.41764 au
Desc. node-Earth separation 0.86425 au
Earth MOID 0.70185 au
Orbital period 1212.75 days
Date of orbit computation  feb 22 02:15
Observational summary
Optical observations (Discarded) 1159 (5)
Radar observations (Discarded) 0 (0)
Arc length 8939.45 days
Unobserved 369 days

More info »
Ephemeris at epoch 60418 MJD
Right Ascension 286.496 deg
Declination -23.2749 deg
V Magnitude 19.27 mag
Solar Elongation 103 deg
Galactic Latitude -13.42 deg
Rate 0.392 deg/day
Direction 89.469 deg

More info »