NEODyS-2

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NEODyS ∴ Objects ∴ 1991RB ∴ Summary
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(152561) 1991RB  ▹ 
SUMMARY
Keplerian elements at epoch
57800.0 MJD
Value 1-σ variation Units
a 1.45449 1.006e-08 au
e 0.485646 1.126e-07
i 19.582 3.347e-05 deg
Ω 359.373 3.674e-05 deg
ω 68.87 4.937e-05 deg
M 146.546 5.209e-05 deg

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Other useful info
Absolute Magnitude (H)    19.0 mag
Slope parameter (G)    0.15 mag
Perihelion 0.7481 au
Aphelion 2.1609 au
Asc. node-Earth separation -0.05679 au
Desc. node-Earth separation 0.35144 au
Earth MOID 0.03805 au
Orbital period 640.717 days
Date of orbit computation   Nov 18 11:26
Observational summary
Optical observations (Discarded) 73 (4)
Radar observations (Discarded) 0 (0)
Arc length 13022 days
Unobserved 1440 days

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Ephemeris at epoch 57836 MJD
Right Ascension 270.808 deg
Declination -43.72 deg
V Magnitude 23.26 mag
Solar Elongation 92.52 deg
Galactic Latitude -10.42 deg
Rate 0.272 deg/day
Direction 131.264 deg

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