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AstDyS ∴ Objects ∴ 1998SW156 ∴ Summary
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(46980) 1998SW156  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.5748 1.039e-08 au
e 0.144239 4.094e-08
i 6.275 4.205e-06 deg
Ω 336.553 3.289e-05 deg
ω 351.067 3.577e-05 deg
M 100.553 1.762e-05 deg

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Other useful info
Absolute Magnitude (H)    14.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2034 au
Aphelion 2.9462 au
Asc. node-Earth separation 1.1975 au
Desc. node-Earth separation 1.95051 au
Earth MOID 1.19214 au
Orbital period 1509.08 days
Date of orbit computation  feb 22 02:00
Observational summary
Optical observations (Discarded) 1724 (54)
Radar observations (Discarded) 0 (0)
Arc length 19817.4 days
Unobserved 99 days

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Ephemeris at epoch 60420 MJD
Right Ascension 71.2939 deg
Declination 27.0891 deg
V Magnitude 20.42 mag
Solar Elongation -43.48 deg
Galactic Latitude -11.95 deg
Rate 0.381 deg/day
Direction 85.585 deg

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