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Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Annika ∴ Summary
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(817) Annika  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.58943 8.355e-09 au
e 0.179998 3.109e-08
i 11.335 3.686e-06 deg
Ω 125.475 1.833e-05 deg
ω 285.223 2.12e-05 deg
M 279.13 1.224e-05 deg

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Other useful info
Absolute Magnitude (H)    10.7 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1233 au
Aphelion 3.0555 au
Asc. node-Earth separation 1.40662 au
Desc. node-Earth separation 1.61393 au
Earth MOID 1.16661 au
Orbital period 1521.96 days
Date of orbit computation  Oct 8 21:12
Observational summary
Optical observations (Discarded) 2235 (34)
Radar observations (Discarded) 0 (0)
Arc length 37477.5 days
Unobserved 31 days

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Ephemeris at epoch 58409 MJD
Right Ascension 290.274 deg
Declination -23.3217 deg
V Magnitude 15.77 mag
Solar Elongation -84.25 deg
Galactic Latitude -16.62 deg
Rate 0.253 deg/day
Direction 91.48 deg

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