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AstDyS ∴ Objects ∴ 1998HB55 ∴ Summary
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(74037) 1998HB55  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.23075 6.48e-09 au
e 0.09302 3.838e-08
i 2.362 4.404e-06 deg
Ω 334.639 8.161e-05 deg
ω 141.552 8.474e-05 deg
M 3.534 2.2e-05 deg

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Other useful info
Absolute Magnitude (H)    16.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0232 au
Aphelion 2.4382 au
Asc. node-Earth separation 1.37535 au
Desc. node-Earth separation 1.07215 au
Earth MOID 1.0406 au
Orbital period 1216.95 days
Date of orbit computation  apr 23 20:02
Observational summary
Optical observations (Discarded) 1255 (2)
Radar observations (Discarded) 0 (0)
Arc length 9456.96 days
Unobserved 69 days

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Ephemeris at epoch 60425 MJD
Right Ascension 103.339 deg
Declination 23.807 deg
V Magnitude 20.55 mag
Solar Elongation -67.24 deg
Galactic Latitude 11 deg
Rate 0.463 deg/day
Direction 97.321 deg

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