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NEODyS ∴ Objects ∴ 1991RB ∴ Summary
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(152561) 1991RB  ▹ 
SUMMARY
Keplerian elements
(Epoch 59800.0 MJD)
Value 1-σ variation Units
a 1.45443 5.796e-09 au
e 0.485629 1.082e-07
i 19.578 2.461e-05 deg
Ω 359.302 1.971e-05 deg
ω 68.94 2.962e-05 deg
M 190.3 3.277e-05 deg

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Other useful info
Absolute Magnitude (H)    19.1 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.7481 au
Aphelion distance 2.1607 au
Asc. node-Earth separation -0.05705 au
Desc. node-Earth separation 0.35169 au
Earth MOID 0.03823 au
Orbital period 640.674 days
Date of orbit computation   giu 8 14:41
Observational summary
Optical observations (Discarded) 122 (5)
Radar observations (Discarded) 0 (0)
Arc length 15592 days
Unobserved 791 days

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Ephemeris
(Epoch 59758 MJD)
Right Ascension 203.526 deg
Declination -37.566 deg
V Magnitude 22.83 mag
Solar Elongation -116.99 deg
Galactic Latitude 24.54 deg
Rate 0.142 deg/day
Direction 9.707 deg

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