AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999HM12 ∴ Summary
Contact »
(249604) 1999HM12  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.62976 8.297e-09 au
e 0.309973 3.802e-08
i 29.761 6.078e-06 deg
Ω 10.33 7.431e-06 deg
ω 107.837 1.534e-05 deg
M 4.38 8.338e-06 deg

More info »
Other useful info
Absolute Magnitude (H)    15.1 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8146 au
Aphelion 3.4449 au
Asc. node-Earth separation 1.62666 au
Desc. node-Earth separation 1.17202 au
Earth MOID 0.9966 au
Orbital period 1557.66 days
Date of orbit computation  feb 22 02:43
Observational summary
Optical observations (Discarded) 2359 (312)
Radar observations (Discarded) 0 (0)
Arc length 9052.11 days
Unobserved 61 days

More info »
Ephemeris at epoch 60397 MJD
Right Ascension 91.6573 deg
Declination 53.7532 deg
V Magnitude 18.88 mag
Solar Elongation -84.54 deg
Galactic Latitude 15.4 deg
Rate 0.564 deg/day
Direction 119.081 deg

More info »