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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 7.716e-05 deg
ω 167.009 0.0001043 deg
M 191.878 7.113e-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  apr 23 19:53
Observational summary
Optical observations (Discarded) 1375 (3)
Radar observations (Discarded) 0 (0)
Arc length 10398 days
Unobserved 86 days

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Ephemeris at epoch 60440 MJD
Right Ascension 117.208 deg
Declination 21.4195 deg
V Magnitude 20.92 mag
Solar Elongation -65.69 deg
Galactic Latitude 21.83 deg
Rate 0.305 deg/day
Direction 98.713 deg

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