AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1987SP12 ∴ Summary
Contact »
(13013) 1987SP12  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.12791 1.235e-08 au
e 0.252091 3.495e-08
i 2.715 3.908e-06 deg
Ω 185.772 6.422e-05 deg
ω 187.996 6.463e-05 deg
M 222.597 5.917e-06 deg

More info »
Other useful info
Absolute Magnitude (H)    13.4 mag
Slope parameter (G)    0.15 mag
Perihelion 2.3394 au
Aphelion 3.9164 au
Asc. node-Earth separation 2.9061 au
Desc. node-Earth separation 1.34279 au
Earth MOID 1.34021 au
Orbital period 2020.6 days
Date of orbit computation  apr 23 19:48
Observational summary
Optical observations (Discarded) 2829 (17)
Radar observations (Discarded) 0 (0)
Arc length 17341.8 days
Unobserved 35 days

More info »
Ephemeris at epoch 60425 MJD
Right Ascension 225.009 deg
Declination -14.6857 deg
V Magnitude 18.79 mag
Solar Elongation 167.93 deg
Galactic Latitude 37.83 deg
Rate 0.182 deg/day
Direction -70.795 deg

More info »