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AstDyS ∴ Objects ∴ 1998SP22 ∴ Summary
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(17872) 1998SP22  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.73245 9.607e-09 au
e 0.067857 3.086e-08
i 6.764 3.879e-06 deg
Ω 1.817 2.619e-05 deg
ω 231.278 3.892e-05 deg
M 5.191 2.991e-05 deg

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Other useful info
Absolute Magnitude (H)    13.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.547 au
Aphelion 2.9179 au
Asc. node-Earth separation 1.83808 au
Desc. node-Earth separation 1.61271 au
Earth MOID 1.54339 au
Orbital period 1649.78 days
Date of orbit computation  apr 23 19:49
Observational summary
Optical observations (Discarded) 3534 (13)
Radar observations (Discarded) 0 (0)
Arc length 13538.5 days
Unobserved 33 days

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Ephemeris at epoch 60425 MJD
Right Ascension 260.704 deg
Declination -31.9564 deg
V Magnitude 17.2 mag
Solar Elongation 132.3 deg
Galactic Latitude 2.49 deg
Rate 0.071 deg/day
Direction -153.779 deg

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