AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1991RP4 ∴ Summary
Contact »
(85191) 1991RP4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.75854 1.005e-08 au
e 0.259696 4.545e-08
i 8.252 5.118e-06 deg
Ω 228.196 3.227e-05 deg
ω 119.129 3.333e-05 deg
M 43.919 9.014e-06 deg

More info »
Other useful info
Absolute Magnitude (H)    15.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0422 au
Aphelion 3.4749 au
Asc. node-Earth separation 1.93489 au
Desc. node-Earth separation 1.29459 au
Earth MOID 1.05121 au
Orbital period 1673.47 days
Date of orbit computation  feb 22 02:08
Observational summary
Optical observations (Discarded) 1137 (2)
Radar observations (Discarded) 0 (0)
Arc length 11786.6 days
Unobserved 126 days

More info »
Ephemeris at epoch 60420 MJD
Right Ascension 51.1561 deg
Declination 17.1053 deg
V Magnitude 20.25 mag
Solar Elongation -23.13 deg
Galactic Latitude -32.24 deg
Rate 0.473 deg/day
Direction 78.665 deg

More info »