AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2008SP157 ∴ Summary
Contact »
(509720) 2008SP157  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.64413 1.315e-08 au
e 0.295229 1.134e-07
i 13.065 1.04e-05 deg
Ω 359.372 3.006e-05 deg
ω 9.284 3.628e-05 deg
M 215.819 1.248e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    17.0 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8635 au
Aphelion 3.4248 au
Asc. node-Earth separation 0.86602 au
Desc. node-Earth separation 2.41035 au
Earth MOID 0.86338 au
Orbital period 1570.44 days
Date of orbit computation  feb 22 03:38
Observational summary
Optical observations (Discarded) 328 (1)
Radar observations (Discarded) 0 (0)
Arc length 8052.11 days
Unobserved 430 days

More info »
Ephemeris at epoch 60419 MJD
Right Ascension 206.495 deg
Declination -21.7001 deg
V Magnitude 21.77 mag
Solar Elongation 169.44 deg
Galactic Latitude 39.42 deg
Rate 0.23 deg/day
Direction -80.013 deg

More info »