NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2004ER21 ∴ Summary
Contact »
2004ER21  ▹ 
SUMMARY
Keplerian elements
(Epoch 58800.0 MJD)
Value 1-σ variation Units
a 0.899634 9.031e-05 au
e 0.171616 0.0006076
i 7.95 0.03621 deg
Ω 357.31 0.01062 deg
ω 343.426 0.03261 deg
M 324.443 1.804 deg

More info »
Other useful info
Absolute Magnitude (H)    24.3 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.7452 au
Aphelion distance 1.054 au
Asc. node-Earth separation -0.25407 au
Desc. node-Earth separation 0.05116 au
Earth MOID 0.04242 au
Orbital period 311.672 days
Date of orbit computation   Oct 14 15:35
Observational summary
Optical observations (Discarded) 71 (1)
Radar observations (Discarded) 0 (0)
Arc length 11 days
Unobserved 5682 days

More info »
Ephemeris
(Epoch 58772 MJD)
Right Ascension 221.919 deg
Declination -20.3125 deg
V Magnitude 26.34 mag
Solar Elongation -23.86 deg
Galactic Latitude 34.84 deg
Rate 1.053 deg/day
Direction 108.236 deg

More info »





This Web Site has been visited 953035 times since

and this Page has been visited 2936 times since 2011/06/25