AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2009TR21 ∴ Summary
Contact »
(328721) 2009TR21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.68729 1.639e-08 au
e 0.229713 6.827e-08
i 14.628 6.781e-06 deg
Ω 46.785 2.107e-05 deg
ω 325.974 2.475e-05 deg
M 115.142 1.065e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    16.4 mag
Slope parameter (G)    0.15 mag
Perihelion 2.07 au
Aphelion 3.3046 au
Asc. node-Earth separation 1.14859 au
Desc. node-Earth separation 2.13498 au
Earth MOID 1.08838 au
Orbital period 1609.06 days
Date of orbit computation  feb 22 02:59
Observational summary
Optical observations (Discarded) 400 (3)
Radar observations (Discarded) 0 (0)
Arc length 8522.13 days
Unobserved 64 days

More info »
Ephemeris at epoch 60397 MJD
Right Ascension 141.087 deg
Declination 34.6529 deg
V Magnitude 21.53 mag
Solar Elongation -122.93 deg
Galactic Latitude 45.42 deg
Rate 0.103 deg/day
Direction -148.1 deg

More info »