NEODyS-2

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NEODyS ∴ Objects ∴ 1991RJ2 ∴ Summary
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(399307) 1991RJ2  ▹ 
SUMMARY
Keplerian elements at epoch
57800.0 MJD
Value 1-σ variation Units
a 2.21041 6.448e-09 au
e 0.427238 6.251e-08
i 8.945 8.731e-06 deg
Ω 171.799 1.937e-05 deg
ω 150.903 3.163e-05 deg
M 277.093 1.105e-05 deg

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Other useful info
Absolute Magnitude (H)    18.9 mag
Slope parameter (G)    0.15 mag
Perihelion 1.266 au
Aphelion 3.1548 au
Asc. node-Earth separation 1.88962 au
Desc. node-Earth separation 0.31096 au
Earth MOID 0.2666 au
Orbital period 1200.35 days
Date of orbit computation   May 22 14:43
Observational summary
Optical observations (Discarded) 215 (1)
Radar observations (Discarded) 0 (0)
Arc length 9388 days
Unobserved 2 days

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Ephemeris at epoch 57897 MJD
Right Ascension 200.515 deg
Declination 3.53394 deg
V Magnitude 21.82 mag
Solar Elongation -133.71 deg
Galactic Latitude 65.3 deg
Rate 0.165 deg/day
Direction -66.709 deg

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