AstDyS-2

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AstDyS ∴ Objects ∴ 1998HQ12 ∴ Summary
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(22559) 1998HQ12  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.40353 7.908e-09 au
e 0.113872 3.477e-08
i 13.002 3.8e-06 deg
Ω 146.212 1.366e-05 deg
ω 5.574 1.976e-05 deg
M 52.959 1.385e-05 deg

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Other useful info
Absolute Magnitude (H)    14.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1298 au
Aphelion 2.6772 au
Asc. node-Earth separation 1.14351 au
Desc. node-Earth separation 1.66391 au
Earth MOID 1.1417 au
Orbital period 1361.05 days
Date of orbit computation  apr 23 19:50
Observational summary
Optical observations (Discarded) 2468 (194)
Radar observations (Discarded) 0 (0)
Arc length 12444.4 days
Unobserved 34 days

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Ephemeris at epoch 60426 MJD
Right Ascension 232.774 deg
Declination 3.67349 deg
V Magnitude 18.05 mag
Solar Elongation 154.38 deg
Galactic Latitude 45.27 deg
Rate 0.23 deg/day
Direction -58.706 deg

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