AstDyS-2

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(9946) 1990ON2  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.25932 5.704e-09 au
e 0.076348 2.348e-08
i 3.179 3.417e-06 deg
Ω 2.148 4.771e-05 deg
ω 281.428 5.35e-05 deg
M 356.55 2.491e-05 deg

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Other useful info
Absolute Magnitude (H)    14.4 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0868 au
Aphelion 2.4318 au
Asc. node-Earth separation 1.21041 au
Desc. node-Earth separation 1.28416 au
Earth MOID 1.07309 au
Orbital period 1240.41 days
Date of orbit computation  feb 22 01:52
Observational summary
Optical observations (Discarded) 3246 (18)
Radar observations (Discarded) 0 (0)
Arc length 26506 days
Unobserved 289 days

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Ephemeris at epoch 60423 MJD
Right Ascension 318.9 deg
Declination -19.1695 deg
V Magnitude 18.77 mag
Solar Elongation 77.55 deg
Galactic Latitude -40.11 deg
Rate 0.413 deg/day
Direction 74.113 deg

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