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AstDyS ∴ Objects ∴ Ursa ∴ Summary
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(1838) Ursa  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 3.21643 2.021e-08 au
e 0.01512 4.379e-08
i 21.968 5.742e-06 deg
Ω 44.194 1.208e-05 deg
ω 51.499 0.0001944 deg
M 358.467 0.0001934 deg

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Other useful info
Absolute Magnitude (H)    10.8 mag
Slope parameter (G)    0.15 mag
Perihelion 3.1678 au
Aphelion 3.2651 au
Asc. node-Earth separation 2.19441 au
Desc. node-Earth separation 2.23608 au
Earth MOID 2.19299 au
Orbital period 2106.97 days
Date of orbit computation  Oct 31 04:56
Observational summary
Optical observations (Discarded) 1779 (21)
Radar observations (Discarded) 0 (0)
Arc length 24675.3 days
Unobserved 150 days

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Ephemeris at epoch 58566 MJD
Right Ascension 107.543 deg
Declination 46.7476 deg
V Magnitude 16.53 mag
Solar Elongation -99.37 deg
Galactic Latitude 22.45 deg
Rate 0.151 deg/day
Direction 137.972 deg

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