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AstDyS ∴ Objects ∴ 1998SP31 ∴ Summary
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(455163) 1998SP31  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.5665 1.474e-08 au
e 0.222717 8.832e-08
i 3.967 6.02e-06 deg
Ω 171.948 0.0001545 deg
ω 207.191 0.0001566 deg
M 52.589 2.546e-05 deg

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Other useful info
Absolute Magnitude (H)    17.6 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9949 au
Aphelion 3.1381 au
Asc. node-Earth separation 2.04814 au
Desc. node-Earth separation 1.03069 au
Earth MOID 0.99799 au
Orbital period 1501.79 days
Date of orbit computation  feb 22 03:26
Observational summary
Optical observations (Discarded) 207 (0)
Radar observations (Discarded) 0 (0)
Arc length 9271.13 days
Unobserved 97 days

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Ephemeris at epoch 60419 MJD
Right Ascension 80.5731 deg
Declination 20.0285 deg
V Magnitude 22.69 mag
Solar Elongation -52.1 deg
Galactic Latitude -9.26 deg
Rate 0.441 deg/day
Direction 84.282 deg

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