AstDyS-2

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AstDyS ∴ Objects ∴ 1998HD15 ∴ Summary
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(285257) 1998HD15  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.30926 1.173e-08 au
e 0.183704 5.628e-08
i 4.645 6.237e-06 deg
Ω 55.351 8.094e-05 deg
ω 170.761 8.25e-05 deg
M 123.082 2.01e-05 deg

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Other useful info
Absolute Magnitude (H)    17.8 mag
Slope parameter (G)    0.15 mag
Perihelion 1.885 au
Aphelion 2.7335 au
Asc. node-Earth separation 1.73779 au
Desc. node-Earth separation 0.8776 au
Earth MOID 0.8757 au
Orbital period 1281.76 days
Date of orbit computation  apr 23 20:50
Observational summary
Optical observations (Discarded) 246 (4)
Radar observations (Discarded) 0 (0)
Arc length 9273 days
Unobserved 249 days

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Ephemeris at epoch 60425 MJD
Right Ascension 16.5977 deg
Declination 4.43287 deg
V Magnitude 23.14 mag
Solar Elongation 18.11 deg
Galactic Latitude -58.23 deg
Rate 0.417 deg/day
Direction 66.739 deg

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