AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2008BW21 ∴ Summary
Contact »
(218930) 2008BW21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.1951 9.661e-09 au
e 0.056395 3.991e-08
i 2.03 6.011e-06 deg
Ω 337.123 0.0001183 deg
ω 280.111 0.0001307 deg
M 248.143 5.654e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    17.7 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0713 au
Aphelion 2.3189 au
Asc. node-Earth separation 1.1576 au
Desc. node-Earth separation 1.22012 au
Earth MOID 1.05719 au
Orbital period 1187.9 days
Date of orbit computation  apr 23 20:35
Observational summary
Optical observations (Discarded) 340 (2)
Radar observations (Discarded) 0 (0)
Arc length 8457.11 days
Unobserved 73 days

More info »
Ephemeris at epoch 60427 MJD
Right Ascension 123.039 deg
Declination 20.3453 deg
V Magnitude 22.25 mag
Solar Elongation -83.85 deg
Galactic Latitude 26.51 deg
Rate 0.313 deg/day
Direction 104.894 deg

More info »