AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2001BU21 ∴ Summary
Contact »
(171776) 2001BU21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.28172 8.311e-09 au
e 0.182558 4.491e-08
i 23.699 4.293e-06 deg
Ω 99.498 1.131e-05 deg
ω 14.921 1.962e-05 deg
M 249.926 1.453e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    15.8 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8652 au
Aphelion 2.6983 au
Asc. node-Earth separation 0.89228 au
Desc. node-Earth separation 1.66141 au
Earth MOID 0.88772 au
Orbital period 1258.9 days
Date of orbit computation  apr 23 20:25
Observational summary
Optical observations (Discarded) 1142 (2)
Radar observations (Discarded) 0 (0)
Arc length 8272.58 days
Unobserved 279 days

More info »
Ephemeris at epoch 60427 MJD
Right Ascension 11.6204 deg
Declination -13.6922 deg
V Magnitude 21.03 mag
Solar Elongation 35.67 deg
Galactic Latitude -76.51 deg
Rate 0.458 deg/day
Direction 72.633 deg

More info »