AstDyS-2

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AstDyS ∴ Objects ∴ 1990SW8 ∴ Summary
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(19991) 1990SW8  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.78913 1.181e-08 au
e 0.137664 3.545e-08
i 12.066 3.78e-06 deg
Ω 160.311 1.33e-05 deg
ω 206.182 1.676e-05 deg
M 64.975 9.587e-06 deg

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Other useful info
Absolute Magnitude (H)    14.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.4052 au
Aphelion 3.1731 au
Asc. node-Earth separation 2.13138 au
Desc. node-Earth separation 1.42707 au
Earth MOID 1.40815 au
Orbital period 1701.39 days
Date of orbit computation  feb 22 01:54
Observational summary
Optical observations (Discarded) 3103 (36)
Radar observations (Discarded) 0 (0)
Arc length 12192.1 days
Unobserved 56 days

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Ephemeris at epoch 60397 MJD
Right Ascension 67.0207 deg
Declination 11.3907 deg
V Magnitude 19.47 mag
Solar Elongation -60.18 deg
Galactic Latitude -24.88 deg
Rate 0.364 deg/day
Direction 73.096 deg

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