AstDyS-2

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AstDyS ∴ Objects ∴ 2008HW16 ∴ Summary
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(257149) 2008HW16  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.1183 2.838e-08 au
e 0.024054 5.726e-08
i 9.056 7.142e-06 deg
Ω 220.034 3.182e-05 deg
ω 309.549 0.0001433 deg
M 20.01 0.0001423 deg

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Other useful info
Absolute Magnitude (H)    15.8 mag
Slope parameter (G)    0.15 mag
Perihelion 3.0433 au
Aphelion 3.1933 au
Asc. node-Earth separation 2.06202 au
Desc. node-Earth separation 2.17355 au
Earth MOID 2.05304 au
Orbital period 2011.29 days
Date of orbit computation  apr 23 20:44
Observational summary
Optical observations (Discarded) 334 (2)
Radar observations (Discarded) 0 (0)
Arc length 8905.13 days
Unobserved 36 days

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Ephemeris at epoch 60426 MJD
Right Ascension 183.636 deg
Declination -7.425 deg
V Magnitude 20.53 mag
Solar Elongation -149.93 deg
Galactic Latitude 54.31 deg
Rate 0.151 deg/day
Direction -45.14 deg

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