AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999RJ209 ∴ Summary
Contact »
(121310) 1999RJ209  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.17638 1.98e-08 au
e 0.181895 4.8e-08
i 10.399 7.204e-06 deg
Ω 231.359 2.446e-05 deg
ω 120.991 3.093e-05 deg
M 132.029 1.781e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    15.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.5986 au
Aphelion 3.7541 au
Asc. node-Earth separation 2.37815 au
Desc. node-Earth separation 1.81973 au
Earth MOID 1.6131 au
Orbital period 2067.74 days
Date of orbit computation  feb 22 02:15
Observational summary
Optical observations (Discarded) 733 (3)
Radar observations (Discarded) 0 (0)
Arc length 8899.09 days
Unobserved 68 days

More info »
Ephemeris at epoch 60398 MJD
Right Ascension 121.993 deg
Declination 7.7792 deg
V Magnitude 21.13 mag
Solar Elongation -113.45 deg
Galactic Latitude 20.53 deg
Rate 0.054 deg/day
Direction 33.361 deg

More info »