NEODyS-2

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NEODyS ∴ Objects ∴ 1991RB ∴ Summary
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(152561) 1991RB  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 1.45451 9.741e-09 au
e 0.485725 1.126e-07
i 19.58 3.347e-05 deg
Ω 359.365 3.674e-05 deg
ω 68.881 4.935e-05 deg
M 123.693 5.528e-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 -0.0579 au
Desc. node-Earth separation 0.34952 au
Earth MOID 0.03879 au
Orbital period 640.73 days
Date of orbit computation   Oct 1 16:33
Observational summary
Optical observations (Discarded) 73 (4)
Radar observations (Discarded) 0 (0)
Arc length 13022 days
Unobserved 2041 days

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Ephemeris at epoch 58437 MJD
Right Ascension 226.74 deg
Declination -28.734 deg
V Magnitude 23.48 mag
Solar Elongation 10.78 deg
Galactic Latitude 25.38 deg
Rate 0.485 deg/day
Direction 110.438 deg

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