AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2004QW21 ∴ Summary
Contact »
(128612) 2004QW21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.19308 2.619e-08 au
e 0.154683 4.057e-08
i 4.075 5.209e-06 deg
Ω 252.558 8.229e-05 deg
ω 28.826 8.557e-05 deg
M 192.617 2.112e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    15.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.6992 au
Aphelion 3.687 au
Asc. node-Earth separation 1.73011 au
Desc. node-Earth separation 2.62081 au
Earth MOID 1.68343 au
Orbital period 2084.07 days
Date of orbit computation  apr 23 20:15
Observational summary
Optical observations (Discarded) 487 (1)
Radar observations (Discarded) 0 (0)
Arc length 11020.3 days
Unobserved 136 days

More info »
Ephemeris at epoch 60426 MJD
Right Ascension 100.428 deg
Declination 20.6084 deg
V Magnitude 22.16 mag
Solar Elongation -63.87 deg
Galactic Latitude 7.19 deg
Rate 0.218 deg/day
Direction 93.604 deg

More info »