AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2007DR21 ∴ Summary
Contact »
(278154) 2007DR21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.31208 1.079e-08 au
e 0.173329 4.626e-08
i 6.455 6.657e-06 deg
Ω 351.796 4.397e-05 deg
ω 61.576 5.025e-05 deg
M 37.299 2.029e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    17.4 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9113 au
Aphelion 2.7128 au
Asc. node-Earth separation 1.06645 au
Desc. node-Earth separation 1.45073 au
Earth MOID 0.93197 au
Orbital period 1284.12 days
Date of orbit computation  apr 23 20:48
Observational summary
Optical observations (Discarded) 419 (1)
Radar observations (Discarded) 0 (0)
Arc length 8742.94 days
Unobserved 74 days

More info »
Ephemeris at epoch 60425 MJD
Right Ascension 90.3295 deg
Declination 28.0225 deg
V Magnitude 22.02 mag
Solar Elongation -55.47 deg
Galactic Latitude 2.51 deg
Rate 0.504 deg/day
Direction 93.957 deg

More info »