AstDyS-2

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AstDyS ∴ Objects ∴ Niobe ∴ Summary
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(71) Niobe  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.75685 8.107e-09 au
e 0.173321 3.422e-08
i 23.26 4.067e-06 deg
Ω 316.01 1.006e-05 deg
ω 266.926 1.49e-05 deg
M 221.039 1.33e-05 deg

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Other useful info
Absolute Magnitude (H)    7.4 mag
Slope parameter (G)    0.4 mag
Perihelion 2.279 au
Aphelion 3.2347 au
Asc. node-Earth separation 1.68479 au
Desc. node-Earth separation 1.66208 au
Earth MOID 1.40843 au
Orbital period 1671.93 days
Date of orbit computation  Oct 31 04:54
Observational summary
Optical observations (Discarded) 2238 (58)
Radar observations (Discarded) 0 (0)
Arc length 56530.5 days
Unobserved 178 days

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Ephemeris at epoch 58593 MJD
Right Ascension 90.7931 deg
Declination 33.4066 deg
V Magnitude 12.89 mag
Solar Elongation -61.77 deg
Galactic Latitude 5.49 deg
Rate 0.306 deg/day
Direction 109.2 deg

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