AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2001SE21 ∴ Summary
Contact »
(222474) 2001SE21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.54704 1.872e-08 au
e 0.311982 1.381e-07
i 14.489 9.855e-06 deg
Ω 20.073 3.066e-05 deg
ω 307.657 3.484e-05 deg
M 215.851 2.106e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    16.6 mag
Slope parameter (G)    0.15 mag
Perihelion 1.7524 au
Aphelion 3.3417 au
Asc. node-Earth separation 0.93407 au
Desc. node-Earth separation 1.83884 au
Earth MOID 0.78287 au
Orbital period 1484.75 days
Date of orbit computation  feb 22 02:37
Observational summary
Optical observations (Discarded) 218 (8)
Radar observations (Discarded) 0 (0)
Arc length 9186 days
Unobserved 496 days

More info »
Ephemeris at epoch 60398 MJD
Right Ascension 165.685 deg
Declination 17.7329 deg
V Magnitude 21.6 mag
Solar Elongation -149.69 deg
Galactic Latitude 63.25 deg
Rate 0.2 deg/day
Direction -87.7 deg

More info »