AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Robinwilliams ∴ Summary
Contact »
(12820) Robinwilliams  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.92993 1.083e-08 au
e 0.051885 2.848e-08
i 2.964 3.023e-06 deg
Ω 117.086 6.102e-05 deg
ω 256.776 6.838e-05 deg
M 53.107 3.094e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    13.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.7779 au
Aphelion 3.082 au
Asc. node-Earth separation 1.97373 au
Desc. node-Earth separation 1.87188 au
Earth MOID 1.7798 au
Orbital period 1831.83 days
Date of orbit computation  feb 22 01:52
Observational summary
Optical observations (Discarded) 3999 (15)
Radar observations (Discarded) 0 (0)
Arc length 16492.4 days
Unobserved 56 days

More info »
Ephemeris at epoch 60398 MJD
Right Ascension 54.5247 deg
Declination 17.6339 deg
V Magnitude 18.9 mag
Solar Elongation -47.97 deg
Galactic Latitude -29.7 deg
Rate 0.36 deg/day
Direction 74.811 deg

More info »