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AstDyS ∴ Objects ∴ 1998SN138 ∴ Summary
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(69900) 1998SN138  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.09308 1.532e-08 au
e 0.217488 3.327e-08
i 4.197 5.543e-06 deg
Ω 13.789 4.958e-05 deg
ω 100.252 5.168e-05 deg
M 172.993 1.277e-05 deg

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Other useful info
Absolute Magnitude (H)    14.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.4204 au
Aphelion 3.7658 au
Asc. node-Earth separation 2.06684 au
Desc. node-Earth separation 1.83684 au
Earth MOID 1.44161 au
Orbital period 1986.94 days
Date of orbit computation  apr 23 20:01
Observational summary
Optical observations (Discarded) 1260 (8)
Radar observations (Discarded) 0 (0)
Arc length 10835.9 days
Unobserved 698 days

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Ephemeris at epoch 60426 MJD
Right Ascension 311.686 deg
Declination -22.3597 deg
V Magnitude 21.05 mag
Solar Elongation 87.85 deg
Galactic Latitude -34.77 deg
Rate 0.133 deg/day
Direction 81.539 deg

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