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(221991) 1997GB21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.30042 1.104e-08 au
e 0.092514 5.844e-08
i 5.115 5.564e-06 deg
Ω 182.142 5.387e-05 deg
ω 346.551 6.114e-05 deg
M 285.912 2.785e-05 deg

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Other useful info
Absolute Magnitude (H)    16.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0876 au
Aphelion 2.5132 au
Asc. node-Earth separation 1.09594 au
Desc. node-Earth separation 1.50398 au
Earth MOID 1.09423 au
Orbital period 1274.41 days
Date of orbit computation  apr 23 20:36
Observational summary
Optical observations (Discarded) 560 (3)
Radar observations (Discarded) 0 (0)
Arc length 9770.99 days
Unobserved 113 days

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Ephemeris at epoch 60427 MJD
Right Ascension 74.8471 deg
Declination 18.7834 deg
V Magnitude 21.75 mag
Solar Elongation -38.91 deg
Galactic Latitude -14.41 deg
Rate 0.471 deg/day
Direction 82.73 deg

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