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 1.623e-08 au
e 0.229713 6.739e-08
i 14.628 6.694e-06 deg
Ω 46.785 2.106e-05 deg
ω 325.974 2.465e-05 deg
M 115.142 1.061e-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  apr 23 20:59
Observational summary
Optical observations (Discarded) 413 (3)
Radar observations (Discarded) 0 (0)
Arc length 8570.94 days
Unobserved 70 days

More info »
Ephemeris at epoch 60453 MJD
Right Ascension 146.21 deg
Declination 27.78 deg
V Magnitude 22.31 mag
Solar Elongation -77.43 deg
Galactic Latitude 48.86 deg
Rate 0.233 deg/day
Direction 127.635 deg

More info »