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AstDyS ∴ Objects ∴ 1999XP31 ∴ Summary
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(21996) 1999XP31  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.56381 8.658e-09 au
e 0.137877 2.888e-08
i 16.025 3.286e-06 deg
Ω 114.07 1.16e-05 deg
ω 226.503 1.814e-05 deg
M 84.047 1.547e-05 deg

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Other useful info
Absolute Magnitude (H)    13.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2103 au
Aphelion 2.9173 au
Asc. node-Earth separation 1.79569 au
Desc. node-Earth separation 1.28085 au
Earth MOID 1.2267 au
Orbital period 1499.44 days
Date of orbit computation  feb 22 01:54
Observational summary
Optical observations (Discarded) 3377 (21)
Radar observations (Discarded) 0 (0)
Arc length 26659 days
Unobserved 77 days

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Ephemeris at epoch 60419 MJD
Right Ascension 70.1116 deg
Declination 15.9435 deg
V Magnitude 18.5 mag
Solar Elongation -42.06 deg
Galactic Latitude -19.73 deg
Rate 0.407 deg/day
Direction 73.57 deg

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