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(291633) Heyun  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.11089 2.795e-08 au
e 0.14797 5.319e-08
i 12.672 8.171e-06 deg
Ω 195.46 2.564e-05 deg
ω 85.201 3.907e-05 deg
M 35.654 3.296e-05 deg

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Other useful info
Absolute Magnitude (H)    16.4 mag
Slope parameter (G)    0.15 mag
Perihelion 2.6506 au
Aphelion 3.5712 au
Asc. node-Earth separation 2.00507 au
Desc. node-Earth separation 2.08266 au
Earth MOID 1.67322 au
Orbital period 2004.13 days
Date of orbit computation  feb 22 02:52
Observational summary
Optical observations (Discarded) 237 (1)
Radar observations (Discarded) 0 (0)
Arc length 8046.17 days
Unobserved 297 days

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Ephemeris at epoch 60416 MJD
Right Ascension 344.209 deg
Declination 0.89246 deg
V Magnitude 22.1 mag
Solar Elongation 40.87 deg
Galactic Latitude -50.7 deg
Rate 0.385 deg/day
Direction 68.93 deg

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