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AstDyS ∴ Objects ∴ 1998YH21 ∴ Summary
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(118328) 1998YH21  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.42478 1.557e-08 au
e 0.034633 6.079e-08
i 5.945 6.242e-06 deg
Ω 289.102 5.276e-05 deg
ω 203.313 0.0001028 deg
M 69.102 8.535e-05 deg

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Other useful info
Absolute Magnitude (H)    16.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.3408 au
Aphelion 2.5088 au
Asc. node-Earth separation 1.48399 au
Desc. node-Earth separation 1.36284 au
Earth MOID 1.3555 au
Orbital period 1379.14 days
Date of orbit computation  Oct 31 06:11
Observational summary
Optical observations (Discarded) 492 (5)
Radar observations (Discarded) 0 (0)
Arc length 7066.66 days
Unobserved 338 days

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Ephemeris at epoch 58567 MJD
Right Ascension 273.181 deg
Declination -27.6494 deg
V Magnitude 20.83 mag
Solar Elongation 90.97 deg
Galactic Latitude -4.53 deg
Rate 0.25 deg/day
Direction 89.26 deg

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