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(256497) 2007ER57  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.18349 3.283e-08 au
e 0.137989 5.479e-08
i 2.697 4.876e-06 deg
Ω 120.117 0.0001188 deg
ω 97.684 0.0001203 deg
M 320.636 2.118e-05 deg

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Other useful info
Absolute Magnitude (H)    15.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.7442 au
Aphelion 3.6228 au
Asc. node-Earth separation 2.19867 au
Desc. node-Earth separation 2.04996 au
Earth MOID 1.7386 au
Orbital period 2074.69 days
Date of orbit computation  feb 22 02:44
Observational summary
Optical observations (Discarded) 338 (4)
Radar observations (Discarded) 0 (0)
Arc length 9276.99 days
Unobserved 459 days

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Ephemeris at epoch 60398 MJD
Right Ascension 158.51 deg
Declination 12.0705 deg
V Magnitude 20.4 mag
Solar Elongation -147.08 deg
Galactic Latitude 54.48 deg
Rate 0.128 deg/day
Direction -68.165 deg

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