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AstDyS ∴ Objects ∴ 1998ON13 ∴ Summary
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(16957) 1998ON13  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.26366 5.693e-09 au
e 0.068195 3.113e-08
i 9.525 2.676e-06 deg
Ω 317.935 1.798e-05 deg
ω 36.131 2.819e-05 deg
M 164.871 2.129e-05 deg

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Other useful info
Absolute Magnitude (H)    14.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1093 au
Aphelion 2.418 au
Asc. node-Earth separation 1.12218 au
Desc. node-Earth separation 1.39868 au
Earth MOID 1.1085 au
Orbital period 1243.99 days
Date of orbit computation  apr 23 19:49
Observational summary
Optical observations (Discarded) 3765 (108)
Radar observations (Discarded) 0 (0)
Arc length 25375.1 days
Unobserved 36 days

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Ephemeris at epoch 60426 MJD
Right Ascension 143.985 deg
Declination 8.06637 deg
V Magnitude 18.53 mag
Solar Elongation -107.6 deg
Galactic Latitude 40.06 deg
Rate 0.127 deg/day
Direction 113.057 deg

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