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 1.145e-08 au
e 0.4858 1.254e-07
i 19.576 4.327e-05 deg
Ω 359.322 4.796e-05 deg
ω 68.949 6.287e-05 deg
M 348.388 6.89e-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   Oct 14 15:32
Observational summary
Optical observations (Discarded) 73 (3)
Radar observations (Discarded) 0 (0)
Arc length 13022 days
Unobserved 2376 days

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Ephemeris
(Epoch 58772 MJD)
Right Ascension 277.129 deg
Declination -26.9723 deg
V Magnitude 20.09 mag
Solar Elongation -74.33 deg
Galactic Latitude -7.33 deg
Rate 0.769 deg/day
Direction 8.988 deg

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