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(284471) 2007HP21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.79938 1.99e-08 au
e 0.137911 4.909e-08
i 4.113 6.112e-06 deg
Ω 195.699 6.06e-05 deg
ω 122.982 6.438e-05 deg
M 137.507 2.008e-05 deg

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Other useful info
Absolute Magnitude (H)    16.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.4133 au
Aphelion 3.1854 au
Asc. node-Earth separation 1.96839 au
Desc. node-Earth separation 1.55623 au
Earth MOID 1.40321 au
Orbital period 1710.77 days
Date of orbit computation  feb 22 02:50
Observational summary
Optical observations (Discarded) 523 (2)
Radar observations (Discarded) 0 (0)
Arc length 8825.02 days
Unobserved 102 days

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Ephemeris at epoch 60423 MJD
Right Ascension 93.4149 deg
Declination 19.736 deg
V Magnitude 22.26 mag
Solar Elongation -60.29 deg
Galactic Latitude 0.95 deg
Rate 0.283 deg/day
Direction 88.606 deg

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