NEODyS-2

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NEODyS ∴ Objects ∴ 1991RB ∴ Summary
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(152561) 1991RB  ▹ 
SUMMARY
Keplerian elements
(Epoch 58800.0 MJD)
Value 1-σ variation Units
a 1.45449 9.272e-09 au
e 0.4858 1.126e-07
i 19.576 3.347e-05 deg
Ω 359.322 3.674e-05 deg
ω 68.949 4.935e-05 deg
M 348.388 5.739e-05 deg

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Other useful info
Absolute Magnitude (H)    19.0 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.7479 au
Aphelion distance 2.1611 au
Asc. node-Earth separation -0.05723 au
Desc. node-Earth separation 0.35178 au
Earth MOID 0.03827 au
Orbital period 640.717 days
Date of orbit computation   Sep 19 17:29
Observational summary
Optical observations (Discarded) 73 (4)
Radar observations (Discarded) 0 (0)
Arc length 13022 days
Unobserved 2374 days

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Ephemeris
(Epoch 58770 MJD)
Right Ascension 276.856 deg
Declination -28.4752 deg
V Magnitude 20.08 mag
Solar Elongation -76.02 deg
Galactic Latitude -7.79 deg
Rate 0.754 deg/day
Direction 9.259 deg

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