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AstDyS ∴ Objects ∴ 1998RR31 ∴ Summary
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(136963) 1998RR31  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.44461 8.409e-09 au
e 0.121714 4.528e-08
i 5.668 4.363e-06 deg
Ω 230.124 4.243e-05 deg
ω 159.668 4.563e-05 deg
M 215.34 1.723e-05 deg

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Other useful info
Absolute Magnitude (H)    16.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1471 au
Aphelion 2.7421 au
Asc. node-Earth separation 1.70857 au
Desc. node-Earth separation 1.17278 au
Earth MOID 1.15373 au
Orbital period 1396.08 days
Date of orbit computation  apr 23 20:17
Observational summary
Optical observations (Discarded) 1028 (2)
Radar observations (Discarded) 0 (0)
Arc length 8988.13 days
Unobserved 380 days

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Ephemeris at epoch 60425 MJD
Right Ascension 257.205 deg
Declination -21.0549 deg
V Magnitude 20.31 mag
Solar Elongation 136.85 deg
Galactic Latitude 11.29 deg
Rate 0.087 deg/day
Direction -58.228 deg

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