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AstDyS ∴ Objects ∴ 2008HW57 ∴ Summary
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(400489) 2008HW57  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.13743 4.277e-08 au
e 0.046228 7.934e-08
i 11.88 7.617e-06 deg
Ω 138.54 3.889e-05 deg
ω 88.576 9.895e-05 deg
M 307.279 9.214e-05 deg

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Other useful info
Absolute Magnitude (H)    16.6 mag
Slope parameter (G)    0.15 mag
Perihelion 2.9924 au
Aphelion 3.2825 au
Asc. node-Earth separation 2.14125 au
Desc. node-Earth separation 2.12109 au
Earth MOID 2.01442 au
Orbital period 2029.83 days
Date of orbit computation  feb 22 03:15
Observational summary
Optical observations (Discarded) 164 (0)
Radar observations (Discarded) 0 (0)
Arc length 6200.29 days
Unobserved 89 days

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Ephemeris at epoch 60418 MJD
Right Ascension 163.217 deg
Declination 16.8011 deg
V Magnitude 21.64 mag
Solar Elongation -129.39 deg
Galactic Latitude 60.73 deg
Rate 0.046 deg/day
Direction -64.658 deg

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