AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1989SD4 ∴ Summary
Contact »
(29162) 1989SD4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.57847 1.021e-08 au
e 0.042486 5.099e-08
i 15.176 3.204e-06 deg
Ω 34.192 1.28e-05 deg
ω 97.818 6.522e-05 deg
M 7.587 6.022e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    14.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.4689 au
Aphelion 2.688 au
Asc. node-Earth separation 1.59584 au
Desc. node-Earth separation 1.55313 au
Earth MOID 1.52402 au
Orbital period 1512.32 days
Date of orbit computation  feb 22 01:56
Observational summary
Optical observations (Discarded) 3851 (309)
Radar observations (Discarded) 0 (0)
Arc length 12542.2 days
Unobserved 78 days

More info »
Ephemeris at epoch 60416 MJD
Right Ascension 126.788 deg
Declination 35.7424 deg
V Magnitude 18.9 mag
Solar Elongation -94.06 deg
Galactic Latitude 34.01 deg
Rate 0.257 deg/day
Direction 131.591 deg

More info »