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AstDyS ∴ Objects ∴ 1998HP21 ∴ Summary
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(52733) 1998HP21  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 3.11068 3.315e-08 au
e 0.179475 5.636e-08
i 15.488 7.025e-06 deg
Ω 200.246 2.334e-05 deg
ω 289.126 3.003e-05 deg
M 313.503 2.075e-05 deg

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Other useful info
Absolute Magnitude (H)    14.6 mag
Slope parameter (G)    0.15 mag
Perihelion 2.5524 au
Aphelion 3.669 au
Asc. node-Earth separation 1.83967 au
Desc. node-Earth separation 2.20087 au
Earth MOID 1.61392 au
Orbital period 2003.92 days
Date of orbit computation  Oct 31 05:29
Observational summary
Optical observations (Discarded) 458 (4)
Radar observations (Discarded) 0 (0)
Arc length 9217.29 days
Unobserved 188 days

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Ephemeris at epoch 58560 MJD
Right Ascension 80.45 deg
Declination 7.19727 deg
V Magnitude 19.77 mag
Solar Elongation -83.56 deg
Galactic Latitude -16.23 deg
Rate 0.283 deg/day
Direction 71.504 deg

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