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AstDyS ∴ Objects ∴ 1998HJ81 ∴ Summary
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(55955) 1998HJ81  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.22144 2.148e-08 au
e 0.159048 3.588e-08
i 2.539 4.184e-06 deg
Ω 61.597 9.955e-05 deg
ω 216.292 0.0001005 deg
M 127.85 1.487e-05 deg

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Other useful info
Absolute Magnitude (H)    14.4 mag
Slope parameter (G)    0.15 mag
Perihelion 2.7091 au
Aphelion 3.7338 au
Asc. node-Earth separation 2.61449 au
Desc. node-Earth separation 1.77101 au
Earth MOID 1.693 au
Orbital period 2111.9 days
Date of orbit computation  apr 23 19:58
Observational summary
Optical observations (Discarded) 1379 (6)
Radar observations (Discarded) 0 (0)
Arc length 11627.8 days
Unobserved 85 days

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Ephemeris at epoch 60426 MJD
Right Ascension 54.0599 deg
Declination 19.3551 deg
V Magnitude 20.95 mag
Solar Elongation -20.45 deg
Galactic Latitude -28.73 deg
Rate 0.309 deg/day
Direction 75.625 deg

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