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AstDyS ∴ Objects ∴ 1997HD9 ∴ Summary
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(24937) 1997HD9  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.54646 8.709e-09 au
e 0.160899 3.368e-08
i 1.757 2.85e-06 deg
Ω 266.19 0.0002192 deg
ω 13.982 0.0002205 deg
M 177.491 2.24e-05 deg

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Other useful info
Absolute Magnitude (H)    15.6 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1367 au
Aphelion 2.9562 au
Asc. node-Earth separation 1.12934 au
Desc. node-Earth separation 1.95655 au
Earth MOID 1.12012 au
Orbital period 1484.24 days
Date of orbit computation  apr 23 19:51
Observational summary
Optical observations (Discarded) 1387 (7)
Radar observations (Discarded) 0 (0)
Arc length 9789.05 days
Unobserved 89 days

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Ephemeris at epoch 60426 MJD
Right Ascension 87.2588 deg
Declination 22.9837 deg
V Magnitude 21.55 mag
Solar Elongation -51.56 deg
Galactic Latitude -2.42 deg
Rate 0.317 deg/day
Direction 89.466 deg

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