AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2008UM98 ∴ Summary
Contact »
(281571) 2008UM98  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.58915 1.588e-08 au
e 0.100354 5.011e-08
i 4.297 4.177e-06 deg
Ω 121.186 6.699e-05 deg
ω 226.405 7.038e-05 deg
M 305.614 2.104e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    15.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.3293 au
Aphelion 2.849 au
Asc. node-Earth separation 1.76988 au
Desc. node-Earth separation 1.38164 au
Earth MOID 1.32446 au
Orbital period 1521.72 days
Date of orbit computation  feb 22 02:50
Observational summary
Optical observations (Discarded) 857 (3)
Radar observations (Discarded) 0 (0)
Arc length 8691.93 days
Unobserved 276 days

More info »
Ephemeris at epoch 60397 MJD
Right Ascension 305.784 deg
Declination -18.0974 deg
V Magnitude 21.11 mag
Solar Elongation 63.7 deg
Galactic Latitude -28.11 deg
Rate 0.391 deg/day
Direction 78.253 deg

More info »