AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1997EJ21 ∴ Summary
Contact »
(90905) 1997EJ21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.77265 1.209e-08 au
e 0.164183 3.988e-08
i 3.24 4.659e-06 deg
Ω 174.61 6.441e-05 deg
ω 215.785 6.562e-05 deg
M 60.431 1.305e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    15.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.3174 au
Aphelion 3.2279 au
Asc. node-Earth separation 2.11808 au
Desc. node-Earth separation 1.37638 au
Earth MOID 1.32376 au
Orbital period 1686.33 days
Date of orbit computation  feb 22 02:09
Observational summary
Optical observations (Discarded) 1079 (12)
Radar observations (Discarded) 0 (0)
Arc length 9814.08 days
Unobserved 71 days

More info »
Ephemeris at epoch 60397 MJD
Right Ascension 85.704 deg
Declination 20.4152 deg
V Magnitude 20.74 mag
Solar Elongation -78.52 deg
Galactic Latitude -4.99 deg
Rate 0.304 deg/day
Direction 84.564 deg

More info »