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AstDyS ∴ Objects ∴ 1999RJ31 ∴ Summary
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(20511) 1999RJ31  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.3111 6.053e-09 au
e 0.098923 2.756e-08
i 7.507 3.95e-06 deg
Ω 342.353 2.231e-05 deg
ω 285.925 3.074e-05 deg
M 60.99 2.066e-05 deg

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Other useful info
Absolute Magnitude (H)    14.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0825 au
Aphelion 2.5397 au
Asc. node-Earth separation 1.22022 au
Desc. node-Earth separation 1.36123 au
Earth MOID 1.08144 au
Orbital period 1283.29 days
Date of orbit computation  apr 23 19:50
Observational summary
Optical observations (Discarded) 2762 (11)
Radar observations (Discarded) 0 (0)
Arc length 13846.2 days
Unobserved 249 days

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Ephemeris at epoch 60426 MJD
Right Ascension 1.60347 deg
Declination 1.24313 deg
V Magnitude 19.29 mag
Solar Elongation 33.96 deg
Galactic Latitude -59.63 deg
Rate 0.48 deg/day
Direction 63.009 deg

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