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AstDyS ∴ Objects ∴ 1998HR51 ∴ Summary
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(46778) 1998HR51  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.16618 5.47e-09 au
e 0.122324 2.398e-08
i 2.891 2.544e-06 deg
Ω 82.068 7.042e-05 deg
ω 167.353 7.218e-05 deg
M 11.556 1.759e-05 deg

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Other useful info
Absolute Magnitude (H)    15.3 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9012 au
Aphelion 2.4312 au
Asc. node-Earth separation 1.43944 au
Desc. node-Earth separation 0.89056 au
Earth MOID 0.88714 au
Orbital period 1164.51 days
Date of orbit computation  apr 23 19:56
Observational summary
Optical observations (Discarded) 2242 (12)
Radar observations (Discarded) 0 (0)
Arc length 9199.91 days
Unobserved 331 days

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Ephemeris at epoch 60427 MJD
Right Ascension 309.036 deg
Declination -19.3937 deg
V Magnitude 19.17 mag
Solar Elongation 90.44 deg
Galactic Latitude -31.45 deg
Rate 0.386 deg/day
Direction 79.565 deg

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