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AstDyS ∴ Objects ∴ 2002YA31 ∴ Summary
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(156761) 2002YA31  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.29001 6.662e-09 au
e 0.22221 3.267e-08
i 1.646 4.485e-06 deg
Ω 162.409 0.0001346 deg
ω 306.232 0.0001351 deg
M 45.519 1.271e-05 deg

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Other useful info
Absolute Magnitude (H)    17.0 mag
Slope parameter (G)    0.15 mag
Perihelion 1.7811 au
Aphelion 2.7989 au
Asc. node-Earth separation 0.93295 au
Desc. node-Earth separation 1.49858 au
Earth MOID 0.79895 au
Orbital period 1265.77 days
Date of orbit computation  apr 23 20:21
Observational summary
Optical observations (Discarded) 754 (5)
Radar observations (Discarded) 0 (0)
Arc length 23181.1 days
Unobserved 49 days

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Ephemeris at epoch 60437 MJD
Right Ascension 165.188 deg
Declination 7.48223 deg
V Magnitude 20.59 mag
Solar Elongation -116.87 deg
Galactic Latitude 57.23 deg
Rate 0.163 deg/day
Direction 110.997 deg

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