NEODyS-2

Near Earth Objects - Dynamic Site
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2021HF  ▹ 
SUMMARY
Keplerian elements
(Epoch 59200.0 MJD)
Value 1-σ variation Units
a 2.63648 0.001652 au
e 0.616132 0.0002274
i 26.68 0.007205 deg
Ω 54.507 0.0004675 deg
ω 114.456 0.00495 deg
M 340.8 0.01693 deg

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Other useful info
Absolute Magnitude (H)    21.7 mag
Slope parameter (G)    0.15 mag
Perihelion distance 1.0121 au
Aphelion distance 4.2609 au
Asc. node-Earth separation 1.20688 au
Desc. node-Earth separation 0.29082 au
Earth MOID 0.20893 au
Orbital period 1563.63 days
Date of orbit computation   mag 14 14:31
Observational summary
Optical observations (Discarded) 48 (0)
Radar observations (Discarded) 0 (0)
Arc length 29 days
Unobserved 41 days

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Ephemeris
(Epoch 59389 MJD)
Right Ascension 223.392 deg
Declination -41.8958 deg
V Magnitude 23.3 mag
Solar Elongation -135.33 deg
Galactic Latitude 15.43 deg
Rate 0.122 deg/day
Direction 168.973 deg

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