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AstDyS ∴ Objects ∴ 1981EM41 ∴ Summary
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(18317) 1981EM41  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.06728 1.289e-08 au
e 0.172754 4.215e-08
i 5.941 4.399e-06 deg
Ω 340.399 3.508e-05 deg
ω 35.133 3.67e-05 deg
M 165.989 1.03e-05 deg

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Other useful info
Absolute Magnitude (H)    14.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.5374 au
Aphelion 3.5972 au
Asc. node-Earth separation 1.599 au
Desc. node-Earth separation 2.47483 au
Earth MOID 1.54106 au
Orbital period 1962.13 days
Date of orbit computation  feb 22 01:53
Observational summary
Optical observations (Discarded) 1864 (10)
Radar observations (Discarded) 0 (0)
Arc length 26154.2 days
Unobserved 373 days

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Ephemeris at epoch 60423 MJD
Right Ascension 178.046 deg
Declination -3.19057 deg
V Magnitude 19.52 mag
Solar Elongation -146.3 deg
Galactic Latitude 56.48 deg
Rate 0.132 deg/day
Direction -68.721 deg

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