AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2001RD57 ∴ Summary
Contact »
(139852) 2001RD57  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.88327 1.551e-08 au
e 0.092976 6.998e-08
i 2.933 4.615e-06 deg
Ω 139.112 0.0001185 deg
ω 256.856 0.0001219 deg
M 182.678 2.525e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    15.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.6152 au
Aphelion 3.1513 au
Asc. node-Earth separation 1.93384 au
Desc. node-Earth separation 1.78628 au
Earth MOID 1.624 au
Orbital period 1788.25 days
Date of orbit computation  feb 22 02:19
Observational summary
Optical observations (Discarded) 708 (4)
Radar observations (Discarded) 0 (0)
Arc length 8773.29 days
Unobserved 391 days

More info »
Ephemeris at epoch 60423 MJD
Right Ascension 225.031 deg
Declination -12.637 deg
V Magnitude 20.33 mag
Solar Elongation 166.1 deg
Galactic Latitude 39.44 deg
Rate 0.195 deg/day
Direction -71.156 deg

More info »