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NEODyS ∴ Objects ∴ 1999HD1 ∴ Summary
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1999HD1  ▹ 
SUMMARY
Keplerian elements at epoch
57800.0 MJD
Value 1-σ variation Units
a 1.13144 9.363e-09 au
e 0.417818 4.354e-07
i 18.217 5.378e-05 deg
Ω 209.883 3.238e-05 deg
ω 147.951 6.677e-05 deg
M 184.676 9.9e-05 deg

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Other useful info
Absolute Magnitude (H)    20.5 mag
Slope parameter (G)    0.15 mag
Perihelion 0.6587 au
Aphelion 1.6042 au
Asc. node-Earth separation 0.44138 au
Desc. node-Earth separation -0.30426 au
Earth MOID 0.21666 au
Orbital period 439.588 days
Date of orbit computation   Nov 18 11:31
Observational summary
Optical observations (Discarded) 59 (1)
Radar observations (Discarded) 0 (0)
Arc length 4401 days
Unobserved 2150 days

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Ephemeris at epoch 57835 MJD
Right Ascension 206.001 deg
Declination -24.5703 deg
V Magnitude 21.44 mag
Solar Elongation 146.95 deg
Galactic Latitude 36.77 deg
Rate 0.44 deg/day
Direction -48.746 deg

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