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AstDyS ∴ Objects ∴ 1990QM4 ∴ Summary
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(15254) 1990QM4  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.2863 9.112e-09 au
e 0.140855 3.252e-08
i 5.234 3.825e-06 deg
Ω 138.006 4.047e-05 deg
ω 124.267 4.339e-05 deg
M 109.892 1.426e-05 deg

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Other useful info
Absolute Magnitude (H)    14.0 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9643 au
Aphelion 2.6083 au
Asc. node-Earth separation 1.44649 au
Desc. node-Earth separation 1.06217 au
Earth MOID 0.953 au
Orbital period 1262.7 days
Date of orbit computation  Dec 20 14:14
Observational summary
Optical observations (Discarded) 1794 (10)
Radar observations (Discarded) 0 (0)
Arc length 14423.3 days
Unobserved 183 days

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Ephemeris at epoch 58580 MJD
Right Ascension 52.9283 deg
Declination 15.1119 deg
V Magnitude 19.42 mag
Solar Elongation -37.85 deg
Galactic Latitude -32.59 deg
Rate 0.401 deg/day
Direction 73.957 deg

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