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(152561) 1991RB  ▹ 
SUMMARY
Keplerian elements
(Epoch 59000.0 MJD)
Value 1-σ variation Units
a 1.45437 6.118e-09 au
e 0.485761 1.106e-07
i 19.577 2.499e-05 deg
Ω 359.319 1.977e-05 deg
ω 68.942 3.055e-05 deg
M 100.782 3.426e-05 deg

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Other useful info
Absolute Magnitude (H)    19.2 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.7479 au
Aphelion distance 2.1608 au
Asc. node-Earth separation -0.05696 au
Desc. node-Earth separation 0.35012 au
Earth MOID 0.03813 au
Orbital period 640.633 days
Date of orbit computation   May 28 12:31
Observational summary
Optical observations (Discarded) 119 (4)
Radar observations (Discarded) 0 (0)
Arc length 15592 days
Unobserved 78 days

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Ephemeris
(Epoch 59045 MJD)
Right Ascension 186.229 deg
Declination -18.9552 deg
V Magnitude 23.38 mag
Solar Elongation -80.98 deg
Galactic Latitude 43.47 deg
Rate 0.347 deg/day
Direction 109.364 deg

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