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(152561) 1991RB  ▹ 
SUMMARY
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 1.45456 5.839e-09 au
e 0.485697 1.083e-07
i 19.576 2.461e-05 deg
Ω 359.297 1.971e-05 deg
ω 68.948 2.962e-05 deg
M 167.426 3.438e-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 2.161 au
Asc. node-Earth separation -0.05676 au
Desc. node-Earth separation 0.35061 au
Earth MOID 0.03802 au
Orbital period 640.758 days
Date of orbit computation   feb 26 10:20
Observational summary
Optical observations (Discarded) 122 (5)
Radar observations (Discarded) 0 (0)
Arc length 15592 days
Unobserved 1453 days

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Ephemeris
(Epoch 60420 MJD)
Right Ascension 272.94 deg
Declination -49.4102 deg
V Magnitude 22.91 mag
Solar Elongation 114.91 deg
Galactic Latitude -14.27 deg
Rate 0.23 deg/day
Direction -179.795 deg

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