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AstDyS ∴ Objects ∴ Heyun ∴ Summary
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(291633) Heyun  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 3.11047 3.743e-08 au
e 0.149213 6.991e-08
i 12.673 9.985e-06 deg
Ω 195.503 3.4e-05 deg
ω 84.739 4.876e-05 deg
M 37.113 3.583e-05 deg

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Other useful info
Absolute Magnitude (H)    16.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.6464 au
Aphelion 3.5746 au
Asc. node-Earth separation 1.99787 au
Desc. node-Earth separation 2.08442 au
Earth MOID 1.66801 au
Orbital period 2003.73 days
Date of orbit computation  Dec 20 14:46
Observational summary
Optical observations (Discarded) 148 (1)
Radar observations (Discarded) 0 (0)
Arc length 6317.99 days
Unobserved 205 days

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Ephemeris at epoch 58580 MJD
Right Ascension 7.90785 deg
Declination 5.01191 deg
V Magnitude 22.01 mag
Solar Elongation 7.54 deg
Galactic Latitude -57.51 deg
Rate 0.384 deg/day
Direction 71.299 deg

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