AstDyS-2

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(39531) 1990ER2  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.49761 8.635e-09 au
e 0.079964 3.946e-08
i 4.537 4.391e-06 deg
Ω 234.703 4.474e-05 deg
ω 8.231 5.135e-05 deg
M 167.144 2.555e-05 deg

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Other useful info
Absolute Magnitude (H)    15.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2979 au
Aphelion 2.6973 au
Asc. node-Earth separation 1.28854 au
Desc. node-Earth separation 1.70701 au
Earth MOID 1.28497 au
Orbital period 1441.73 days
Date of orbit computation  apr 23 19:54
Observational summary
Optical observations (Discarded) 1564 (10)
Radar observations (Discarded) 0 (0)
Arc length 12338 days
Unobserved 139 days

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Ephemeris at epoch 60425 MJD
Right Ascension 48.8677 deg
Declination 17.9279 deg
V Magnitude 20.61 mag
Solar Elongation -16.31 deg
Galactic Latitude -33 deg
Rate 0.413 deg/day
Direction 76.541 deg

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