NEODyS-2

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NEODyS ∴ Objects ∴ 1991RB ∴ Summary
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(152561) 1991RB  ▹ 
SUMMARY
Keplerian elements at epoch
58200.0 MJD
Value 1-σ variation Units
a 1.45444 9.991e-09 au
e 0.485767 1.126e-07
i 19.582 3.347e-05 deg
Ω 359.369 3.674e-05 deg
ω 68.867 4.937e-05 deg
M 11.324 5.424e-05 deg

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Other useful info
Absolute Magnitude (H)    19.0 mag
Slope parameter (G)    0.15 mag
Perihelion 0.7479 au
Aphelion 2.161 au
Asc. node-Earth separation -0.05863 au
Desc. node-Earth separation 0.3513 au
Earth MOID 0.03925 au
Orbital period 640.679 days
Date of orbit computation   Mar 13 09:42
Observational summary
Optical observations (Discarded) 73 (4)
Radar observations (Discarded) 0 (0)
Arc length 13022 days
Unobserved 1986 days

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Ephemeris at epoch 58382 MJD
Right Ascension 199.321 deg
Declination -17.6682 deg
V Magnitude 23.47 mag
Solar Elongation -28.1 deg
Galactic Latitude 44.77 deg
Rate 0.517 deg/day
Direction 116.631 deg

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