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AstDyS ∴ Objects ∴ 1998HN12 ∴ Summary
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(297293) 1998HN12  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.55214 2.169e-08 au
e 0.242151 1.217e-07
i 17.749 9.099e-06 deg
Ω 74.433 3.571e-05 deg
ω 250.859 4.31e-05 deg
M 54.299 3.161e-05 deg

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Other useful info
Absolute Magnitude (H)    17.0 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9341 au
Aphelion 3.1701 au
Asc. node-Earth separation 1.62505 au
Desc. node-Earth separation 1.21118 au
Earth MOID 0.99855 au
Orbital period 1489.21 days
Date of orbit computation  apr 23 20:52
Observational summary
Optical observations (Discarded) 137 (2)
Radar observations (Discarded) 0 (0)
Arc length 9308.89 days
Unobserved 193 days

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Ephemeris at epoch 60426 MJD
Right Ascension 47.4988 deg
Declination 13.0374 deg
V Magnitude 21.94 mag
Solar Elongation -13.52 deg
Galactic Latitude -37.63 deg
Rate 0.475 deg/day
Direction 67.436 deg

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