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AstDyS ∴ Objects ∴ 1998SP20 ∴ Summary
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(217659) 1998SP20  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.40616 1.221e-08 au
e 0.201339 5.546e-08
i 1.862 5.717e-06 deg
Ω 180.916 0.0001983 deg
ω 256.351 0.0001991 deg
M 242.087 1.625e-05 deg

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Other useful info
Absolute Magnitude (H)    17.8 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9217 au
Aphelion 2.8906 au
Asc. node-Earth separation 1.42772 au
Desc. node-Earth separation 1.20122 au
Earth MOID 0.93846 au
Orbital period 1363.28 days
Date of orbit computation  feb 22 02:36
Observational summary
Optical observations (Discarded) 273 (4)
Radar observations (Discarded) 0 (0)
Arc length 9013.15 days
Unobserved 327 days

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Ephemeris at epoch 60419 MJD
Right Ascension 326.959 deg
Declination -11.8285 deg
V Magnitude 23.23 mag
Solar Elongation 63.95 deg
Galactic Latitude -44.4 deg
Rate 0.341 deg/day
Direction 70.186 deg

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