AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2001DR22 ∴ Summary
Contact »
(138995) 2001DR22  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.25687 1.185e-08 au
e 0.05704 5.192e-08
i 4.464 5.873e-06 deg
Ω 336.803 6.362e-05 deg
ω 156.696 8.26e-05 deg
M 301.554 5.23e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    17.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1281 au
Aphelion 2.3856 au
Asc. node-Earth separation 1.36464 au
Desc. node-Earth separation 1.14786 au
Earth MOID 1.14313 au
Orbital period 1238.39 days
Date of orbit computation  feb 22 02:19
Observational summary
Optical observations (Discarded) 479 (5)
Radar observations (Discarded) 0 (0)
Arc length 8922.68 days
Unobserved 97 days

More info »
Ephemeris at epoch 60419 MJD
Right Ascension 58.1702 deg
Declination 23.5427 deg
V Magnitude 21.83 mag
Solar Elongation -32.08 deg
Galactic Latitude -23.06 deg
Rate 0.496 deg/day
Direction 79.007 deg

More info »