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(21039) 1990ES4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.4264 6.635e-09 au
e 0.164882 2.83e-08
i 1.468 3.232e-06 deg
Ω 257.847 0.0001453 deg
ω 345.553 0.0001459 deg
M 305.543 1.394e-05 deg

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Other useful info
Absolute Magnitude (H)    15.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0263 au
Aphelion 2.8265 au
Asc. node-Earth separation 1.02048 au
Desc. node-Earth separation 1.82448 au
Earth MOID 1.01327 au
Orbital period 1380.52 days
Date of orbit computation  apr 23 19:50
Observational summary
Optical observations (Discarded) 1812 (5)
Radar observations (Discarded) 0 (0)
Arc length 12436.2 days
Unobserved 36 days

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Ephemeris at epoch 60426 MJD
Right Ascension 157.512 deg
Declination 7.16301 deg
V Magnitude 18.91 mag
Solar Elongation -120.6 deg
Galactic Latitude 51 deg
Rate 0.058 deg/day
Direction 95.98 deg

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