AstDyS-2

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AstDyS ∴ Objects ∴ 1998UN31 ∴ Summary
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(187789) 1998UN31  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 1.90781 5.837e-09 au
e 0.092138 3.938e-08
i 20.149 4.914e-06 deg
Ω 222.092 1.043e-05 deg
ω 108.094 2.918e-05 deg
M 283.209 2.543e-05 deg

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Other useful info
Absolute Magnitude (H)    17.3 mag
Slope parameter (G)    0.15 mag
Perihelion 1.732 au
Aphelion 2.0836 au
Asc. node-Earth separation 0.9393 au
Desc. node-Earth separation 0.84814 au
Earth MOID 0.80485 au
Orbital period 962.504 days
Date of orbit computation  apr 23 20:29
Observational summary
Optical observations (Discarded) 601 (2)
Radar observations (Discarded) 0 (0)
Arc length 8862.13 days
Unobserved 457 days

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Ephemeris at epoch 60425 MJD
Right Ascension 281.036 deg
Declination -7.56298 deg
V Magnitude 20.41 mag
Solar Elongation 112.69 deg
Galactic Latitude -1.83 deg
Rate 0.378 deg/day
Direction 32.217 deg

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