AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ OBriain ∴ Summary
Contact »
(4901) OBriain  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.27355 4.196e-09 au
e 0.190821 3.148e-08
i 4.644 2.762e-06 deg
Ω 227.106 3.895e-05 deg
ω 94.264 3.955e-05 deg
M 176.317 7.111e-06 deg

More info »
Other useful info
Absolute Magnitude (H)    13.7 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8397 au
Aphelion 2.7074 au
Asc. node-Earth separation 1.21269 au
Desc. node-Earth separation 1.17076 au
Earth MOID 0.83416 au
Orbital period 1252.15 days
Date of orbit computation  apr 23 19:46
Observational summary
Optical observations (Discarded) 3929 (20)
Radar observations (Discarded) 0 (0)
Arc length 26872.9 days
Unobserved 37 days

More info »
Ephemeris at epoch 60426 MJD
Right Ascension 123.305 deg
Declination 14.9577 deg
V Magnitude 18.96 mag
Solar Elongation -86.26 deg
Galactic Latitude 24.71 deg
Rate 0.214 deg/day
Direction 95.29 deg

More info »