AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Aster ∴ Summary
Contact »
(1218) Aster  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.26307 4.216e-09 au
e 0.108221 2.451e-08
i 3.158 2.923e-06 deg
Ω 63.761 5.312e-05 deg
ω 69.434 5.517e-05 deg
M 31.471 1.512e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    13.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0182 au
Aphelion 2.508 au
Asc. node-Earth separation 1.16874 au
Desc. node-Earth separation 1.31173 au
Earth MOID 1.03553 au
Orbital period 1243.5 days
Date of orbit computation  apr 23 19:46
Observational summary
Optical observations (Discarded) 4101 (25)
Radar observations (Discarded) 0 (0)
Arc length 33653 days
Unobserved 35 days

More info »
Ephemeris at epoch 60425 MJD
Right Ascension 159.532 deg
Declination 13.2164 deg
V Magnitude 16.71 mag
Solar Elongation -121.1 deg
Galactic Latitude 55.91 deg
Rate 0.114 deg/day
Direction 133.862 deg

More info »