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AstDyS ∴ Objects ∴ Sumida ∴ Summary
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(1090) Sumida  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.35969 5.358e-09 au
e 0.219314 3.878e-08
i 21.506 4.959e-06 deg
Ω 148.037 1.095e-05 deg
ω 337.701 1.465e-05 deg
M 20.271 9.574e-06 deg

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Other useful info
Absolute Magnitude (H)    12.5 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8422 au
Aphelion 2.8772 au
Asc. node-Earth separation 0.87771 au
Desc. node-Earth separation 1.80605 au
Earth MOID 0.86618 au
Orbital period 1323.98 days
Date of orbit computation  Oct 31 04:55
Observational summary
Optical observations (Discarded) 1729 (24)
Radar observations (Discarded) 0 (0)
Arc length 32909.8 days
Unobserved 359 days

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Ephemeris at epoch 58566 MJD
Right Ascension 241.329 deg
Declination 8.89405 deg
V Magnitude 16.28 mag
Solar Elongation 120.62 deg
Galactic Latitude 40.8 deg
Rate 0.222 deg/day
Direction 12.283 deg

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