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(99977) 1981ET12  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.32406 9.701e-09 au
e 0.145225 6.368e-08
i 6.329 5.321e-06 deg
Ω 215.852 4.623e-05 deg
ω 331.44 4.846e-05 deg
M 46.875 1.574e-05 deg

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Other useful info
Absolute Magnitude (H)    16.8 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9865 au
Aphelion 2.6616 au
Asc. node-Earth separation 1.01139 au
Desc. node-Earth separation 1.61507 au
Earth MOID 0.98982 au
Orbital period 1294.1 days
Date of orbit computation  apr 23 20:08
Observational summary
Optical observations (Discarded) 389 (4)
Radar observations (Discarded) 0 (0)
Arc length 15307.6 days
Unobserved 468 days

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Ephemeris at epoch 60427 MJD
Right Ascension 281.793 deg
Declination -17.1408 deg
V Magnitude 20.58 mag
Solar Elongation 115.43 deg
Galactic Latitude -6.81 deg
Rate 0.138 deg/day
Direction 51.879 deg

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