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(257573) 1999CH4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.56243 1.247e-08 au
e 0.229748 5.257e-08
i 3.585 4.679e-06 deg
Ω 346.004 9.988e-05 deg
ω 160.899 0.0001016 deg
M 46.841 2.282e-05 deg

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Other useful info
Absolute Magnitude (H)    16.5 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9737 au
Aphelion 3.1511 au
Asc. node-Earth separation 2.09333 au
Desc. node-Earth separation 1.00224 au
Earth MOID 0.98631 au
Orbital period 1498.22 days
Date of orbit computation  feb 22 02:45
Observational summary
Optical observations (Discarded) 401 (2)
Radar observations (Discarded) 0 (0)
Arc length 8707.76 days
Unobserved 492 days

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Ephemeris at epoch 60420 MJD
Right Ascension 228.51 deg
Declination -23.337 deg
V Magnitude 19.61 mag
Solar Elongation 157.16 deg
Galactic Latitude 28.91 deg
Rate 0.201 deg/day
Direction -83.73 deg

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