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AstDyS ∴ Objects ∴ 1998YM31 ∴ Summary
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(121005) 1998YM31  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.94768 3.331e-08 au
e 0.16139 3.959e-08
i 7.916 4.269e-06 deg
Ω 211.724 2.963e-05 deg
ω 99.473 3.348e-05 deg
M 178.806 1.366e-05 deg

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Other useful info
Absolute Magnitude (H)    13.9 mag
Slope parameter (G)    0.15 mag
Perihelion 3.3106 au
Aphelion 4.5848 au
Asc. node-Earth separation 2.94438 au
Desc. node-Earth separation 2.75193 au
Earth MOID 2.30962 au
Orbital period 2864.91 days
Date of orbit computation  apr 23 20:13
Observational summary
Optical observations (Discarded) 1154 (12)
Radar observations (Discarded) 0 (0)
Arc length 10484.1 days
Unobserved 74 days

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Ephemeris at epoch 60426 MJD
Right Ascension 120.58 deg
Declination 12.5163 deg
V Magnitude 21.22 mag
Solar Elongation -84.22 deg
Galactic Latitude 21.3 deg
Rate 0.112 deg/day
Direction 87.004 deg

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