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AstDyS ∴ Objects ∴ 1998SP55 ∴ Summary
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(42751) 1998SP55  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.87705 1.379e-08 au
e 0.142894 3.853e-08
i 3.293 4.265e-06 deg
Ω 153.254 6.834e-05 deg
ω 170.841 7.009e-05 deg
M 108.978 1.488e-05 deg

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Other useful info
Absolute Magnitude (H)    15.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.4659 au
Aphelion 3.2882 au
Asc. node-Earth separation 2.29237 au
Desc. node-Earth separation 1.45975 au
Earth MOID 1.45367 au
Orbital period 1782.46 days
Date of orbit computation  apr 23 19:55
Observational summary
Optical observations (Discarded) 1290 (5)
Radar observations (Discarded) 0 (0)
Arc length 10212 days
Unobserved 53 days

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Ephemeris at epoch 60426 MJD
Right Ascension 78.4792 deg
Declination 20.6283 deg
V Magnitude 21.13 mag
Solar Elongation -43.35 deg
Galactic Latitude -10.55 deg
Rate 0.331 deg/day
Direction 83.704 deg

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