NEODyS-2

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NEODyS ∴ Objects ∴ 1991RB ∴ Summary
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(152561) 1991RB  ▹ 
SUMMARY
Keplerian elements at epoch
58600.0 MJD
Value 1-σ variation Units
a 1.45453 9.827e-09 au
e 0.485722 1.126e-07
i 19.575 3.347e-05 deg
Ω 359.332 3.675e-05 deg
ω 68.931 4.934e-05 deg
M 236.017 5.631e-05 deg

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Other useful info
Absolute Magnitude (H)    19.0 mag
Slope parameter (G)    0.15 mag
Perihelion 0.748 au
Aphelion 2.161 au
Asc. node-Earth separation -0.05775 au
Desc. node-Earth separation 0.35096 au
Earth MOID 0.03868 au
Orbital period 640.742 days
Date of orbit computation   May 25 10:41
Observational summary
Optical observations (Discarded) 73 (4)
Radar observations (Discarded) 0 (0)
Arc length 13022 days
Unobserved 2288 days

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Ephemeris at epoch 58684 MJD
Right Ascension 323.836 deg
Declination -58.9148 deg
V Magnitude 20.5 mag
Solar Elongation 137.85 deg
Galactic Latitude -43.78 deg
Rate 0.447 deg/day
Direction -131.5 deg

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