AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2001QD81 ∴ Summary
Contact »
(57239) 2001QD81  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.29833 7.169e-09 au
e 0.133028 4.039e-08
i 6.409 3.388e-06 deg
Ω 289.141 5.007e-05 deg
ω 34.794 5.45e-05 deg
M 203.091 2.387e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    15.7 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9926 au
Aphelion 2.6041 au
Asc. node-Earth separation 1.0187 au
Desc. node-Earth separation 1.55189 au
Earth MOID 0.98345 au
Orbital period 1272.68 days
Date of orbit computation  apr 23 19:58
Observational summary
Optical observations (Discarded) 1350 (2)
Radar observations (Discarded) 0 (0)
Arc length 15875.9 days
Unobserved 53 days

More info »
Ephemeris at epoch 60426 MJD
Right Ascension 145.71 deg
Declination 6.46733 deg
V Magnitude 20.37 mag
Solar Elongation -109.71 deg
Galactic Latitude 40.75 deg
Rate 0.088 deg/day
Direction 93.374 deg

More info »