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AstDyS ∴ Objects ∴ 1998HB143 ∴ Summary
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(55961) 1998HB143  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.21346 1.771e-08 au
e 0.046231 3.175e-08
i 16.107 4.071e-06 deg
Ω 32.042 1.354e-05 deg
ω 237.064 5.158e-05 deg
M 136.649 5.006e-05 deg

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Other useful info
Absolute Magnitude (H)    13.5 mag
Slope parameter (G)    0.15 mag
Perihelion 3.0649 au
Aphelion 3.362 au
Asc. node-Earth separation 2.2957 au
Desc. node-Earth separation 2.12271 au
Earth MOID 2.08056 au
Orbital period 2104.05 days
Date of orbit computation  feb 22 02:01
Observational summary
Optical observations (Discarded) 2786 (407)
Radar observations (Discarded) 0 (0)
Arc length 9423.03 days
Unobserved 97 days

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Ephemeris at epoch 60420 MJD
Right Ascension 42.9295 deg
Declination 20.9623 deg
V Magnitude 19.69 mag
Solar Elongation -17.17 deg
Galactic Latitude -33.79 deg
Rate 0.339 deg/day
Direction 68.28 deg

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