AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999TW308 ∴ Summary
Contact »
(121509) 1999TW308  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.85422 1.715e-08 au
e 0.165833 5.947e-08
i 13.467 5.348e-06 deg
Ω 334.81 2.103e-05 deg
ω 61.724 2.732e-05 deg
M 338.956 1.574e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    15.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.3809 au
Aphelion 3.3275 au
Asc. node-Earth separation 1.56379 au
Desc. node-Earth separation 2.0232 au
Earth MOID 1.41917 au
Orbital period 1761.29 days
Date of orbit computation  apr 23 20:14
Observational summary
Optical observations (Discarded) 975 (164)
Radar observations (Discarded) 0 (0)
Arc length 8830.84 days
Unobserved 165 days

More info »
Ephemeris at epoch 60426 MJD
Right Ascension 16.2795 deg
Declination 13.548 deg
V Magnitude 20.31 mag
Solar Elongation 16.85 deg
Galactic Latitude -49.19 deg
Rate 0.485 deg/day
Direction 62.456 deg

More info »