AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2008AR21 ∴ Summary
Contact »
(450877) 2008AR21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.69468 2.48e-08 au
e 0.090223 7.364e-08
i 11.742 9.69e-06 deg
Ω 323.417 2.757e-05 deg
ω 225.168 6.01e-05 deg
M 194.132 5.793e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    16.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.4516 au
Aphelion 2.9378 au
Asc. node-Earth separation 1.84209 au
Desc. node-Earth separation 1.52606 au
Earth MOID 1.46995 au
Orbital period 1615.69 days
Date of orbit computation  feb 22 03:25
Observational summary
Optical observations (Discarded) 251 (1)
Radar observations (Discarded) 0 (0)
Arc length 5754.9 days
Unobserved 166 days

More info »
Ephemeris at epoch 60398 MJD
Right Ascension 12.4833 deg
Declination 13.313 deg
V Magnitude 22.49 mag
Solar Elongation -11 deg
Galactic Latitude -49.56 deg
Rate 0.389 deg/day
Direction 65.245 deg

More info »