AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Siri ∴ Summary
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(332) Siri  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.77528 6.085e-09 au
e 0.089269 2.677e-08
i 2.844 2.975e-06 deg
Ω 31.549 5.819e-05 deg
ω 298.468 6.069e-05 deg
M 61.535 1.776e-05 deg

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Other useful info
Absolute Magnitude (H)    9.7 mag
Slope parameter (G)    0.15 mag
Perihelion 2.5275 au
Aphelion 3.023 au
Asc. node-Earth separation 1.64694 au
Desc. node-Earth separation 1.8706 au
Earth MOID 1.51796 au
Orbital period 1688.73 days
Date of orbit computation  apr 23 19:45
Observational summary
Optical observations (Discarded) 5047 (62)
Radar observations (Discarded) 0 (0)
Arc length 48165.4 days
Unobserved 83 days

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Ephemeris at epoch 60427 MJD
Right Ascension 41.6971 deg
Declination 16.6703 deg
V Magnitude 15.01 mag
Solar Elongation -7.46 deg
Galactic Latitude -38.03 deg
Rate 0.427 deg/day
Direction 71.704 deg

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