AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999LQ31 ∴ Summary
Contact »
(121182) 1999LQ31  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.53846 1.132e-08 au
e 0.20579 3.372e-08
i 7.128 3.511e-06 deg
Ω 128.678 5.788e-05 deg
ω 158.071 6.135e-05 deg
M 22.361 2.23e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    16.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0161 au
Aphelion 3.0608 au
Asc. node-Earth separation 2.02022 au
Desc. node-Earth separation 1.02643 au
Earth MOID 1.00154 au
Orbital period 1477.25 days
Date of orbit computation  feb 22 02:15
Observational summary
Optical observations (Discarded) 624 (1)
Radar observations (Discarded) 0 (0)
Arc length 16040.9 days
Unobserved 277 days

More info »
Ephemeris at epoch 60397 MJD
Right Ascension 336.925 deg
Declination -10.7079 deg
V Magnitude 21.16 mag
Solar Elongation 32.78 deg
Galactic Latitude -52.45 deg
Rate 0.54 deg/day
Direction 72.139 deg

More info »