AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999RQ157 ∴ Summary
Contact »
(121284) 1999RQ157  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.73435 2.651e-08 au
e 0.23497 7.553e-08
i 13.355 1.078e-05 deg
Ω 357.382 2.693e-05 deg
ω 29.802 3.202e-05 deg
M 49.393 1.761e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    15.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0919 au
Aphelion 3.3768 au
Asc. node-Earth separation 1.14156 au
Desc. node-Earth separation 2.24802 au
Earth MOID 1.10455 au
Orbital period 1651.51 days
Date of orbit computation  Oct 31 06:12
Observational summary
Optical observations (Discarded) 383 (5)
Radar observations (Discarded) 0 (0)
Arc length 6699.89 days
Unobserved 435 days

More info »
Ephemeris at epoch 58566 MJD
Right Ascension 126.867 deg
Declination 29.9432 deg
V Magnitude 20.22 mag
Solar Elongation -118.58 deg
Galactic Latitude 32.78 deg
Rate 0.109 deg/day
Direction 176.614 deg

More info »





This Web Site has been visited 114147 times since

and this Page has been visited 85 times since 2011/11/11