AstDyS-2

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AstDyS ∴ Objects ∴ 2001HD57 ∴ Summary
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(316983) 2001HD57  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 1.98047 1.269e-08 au
e 0.058603 9.442e-08
i 22.052 6.529e-06 deg
Ω 49.295 1.298e-05 deg
ω 155.196 5.151e-05 deg
M 80.986 4.766e-05 deg

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Other useful info
Absolute Magnitude (H)    17.0 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8644 au
Aphelion 2.0965 au
Asc. node-Earth separation 1.09542 au
Desc. node-Earth separation 0.86415 au
Earth MOID 0.86294 au
Orbital period 1018 days
Date of orbit computation  apr 23 20:56
Observational summary
Optical observations (Discarded) 406 (10)
Radar observations (Discarded) 0 (0)
Arc length 8069.91 days
Unobserved 355 days

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Ephemeris at epoch 60426 MJD
Right Ascension 339.557 deg
Declination -29.558 deg
V Magnitude 21.36 mag
Solar Elongation 67.58 deg
Galactic Latitude -60.69 deg
Rate 0.487 deg/day
Direction 81.688 deg

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