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AstDyS ∴ Objects ∴ 1981UA23 ∴ Summary
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(15221) 1981UA23  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.26114 6.335e-09 au
e 0.160714 3.465e-08
i 3.085 3.361e-06 deg
Ω 92.917 7.257e-05 deg
ω 338.931 7.381e-05 deg
M 151.233 1.296e-05 deg

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Other useful info
Absolute Magnitude (H)    15.0 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8977 au
Aphelion 2.6245 au
Asc. node-Earth separation 0.93248 au
Desc. node-Earth separation 1.57514 au
Earth MOID 0.91316 au
Orbital period 1241.9 days
Date of orbit computation  feb 22 01:53
Observational summary
Optical observations (Discarded) 1902 (8)
Radar observations (Discarded) 0 (0)
Arc length 15192.7 days
Unobserved 302 days

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Ephemeris at epoch 60397 MJD
Right Ascension 248.781 deg
Declination -19.2178 deg
V Magnitude 19.55 mag
Solar Elongation 117.44 deg
Galactic Latitude 18.71 deg
Rate 0.039 deg/day
Direction 90.383 deg

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