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AstDyS ∴ Objects ∴ 1998HL55 ∴ Summary
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(136902) 1998HL55  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.07132 2.206e-08 au
e 0.17116 5.917e-08
i 12.38 5.942e-06 deg
Ω 28.246 2.302e-05 deg
ω 132.931 2.772e-05 deg
M 325.731 1.719e-05 deg

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Other useful info
Absolute Magnitude (H)    15.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.5456 au
Aphelion 3.597 au
Asc. node-Earth separation 2.38026 au
Desc. node-Earth separation 1.66581 au
Earth MOID 1.57099 au
Orbital period 1966.01 days
Date of orbit computation  feb 22 02:18
Observational summary
Optical observations (Discarded) 637 (5)
Radar observations (Discarded) 0 (0)
Arc length 9392.23 days
Unobserved 107 days

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Ephemeris at epoch 60397 MJD
Right Ascension 90.6388 deg
Declination 36.1129 deg
V Magnitude 20.44 mag
Solar Elongation -83.23 deg
Galactic Latitude 6.69 deg
Rate 0.261 deg/day
Direction 103.045 deg

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