AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2008UM108 ∴ Summary
Contact »
(498775) 2008UM108  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.77644 3.413e-08 au
e 0.139303 1.13e-07
i 12.193 1.166e-05 deg
Ω 35.352 3.114e-05 deg
ω 345.794 4.114e-05 deg
M 146.628 2.761e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    16.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.3897 au
Aphelion 3.1632 au
Asc. node-Earth separation 1.40598 au
Desc. node-Earth separation 2.14146 au
Earth MOID 1.39533 au
Orbital period 1689.78 days
Date of orbit computation  apr 23 21:36
Observational summary
Optical observations (Discarded) 142 (6)
Radar observations (Discarded) 0 (0)
Arc length 7458.13 days
Unobserved 38 days

More info »
Ephemeris at epoch 60426 MJD
Right Ascension 170.813 deg
Declination 14.0332 deg
V Magnitude 22.07 mag
Solar Elongation -129.47 deg
Galactic Latitude 65.62 deg
Rate 0.098 deg/day
Direction -120.884 deg

More info »