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AstDyS ∴ Objects ∴ 1998HB21 ∴ Summary
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(35576) 1998HB21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.71279 1.273e-08 au
e 0.035937 3.618e-08
i 3.274 4.067e-06 deg
Ω 128.048 7.715e-05 deg
ω 167.009 0.0001043 deg
M 191.878 7.112e-05 deg

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Other useful info
Absolute Magnitude (H)    15.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.6153 au
Aphelion 2.8103 au
Asc. node-Earth separation 1.82328 au
Desc. node-Earth separation 1.60272 au
Earth MOID 1.59918 au
Orbital period 1632.01 days
Date of orbit computation  Jun 5 00:44
Observational summary
Optical observations (Discarded) 1379 (3)
Radar observations (Discarded) 0 (0)
Arc length 10455.1 days
Unobserved 61 days

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Ephemeris at epoch 60472 MJD
Right Ascension 128.441 deg
Declination 19.3748 deg
V Magnitude 21.01 mag
Solar Elongation -45.67 deg
Galactic Latitude 30.92 deg
Rate 0.36 deg/day
Direction 103.086 deg

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