AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Spiraea ∴ Summary
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(1091) Spiraea  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 3.42041 1.85e-08 au
e 0.067481 3.461e-08
i 1.153 3.779e-06 deg
Ω 80.845 0.0001978 deg
ω 11.99 0.0002 deg
M 172.379 3.034e-05 deg

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Other useful info
Absolute Magnitude (H)    10.9 mag
Slope parameter (G)    0.15 mag
Perihelion 3.1896 au
Aphelion 3.6512 au
Asc. node-Earth separation 2.20906 au
Desc. node-Earth separation 2.62859 au
Earth MOID 2.20532 au
Orbital period 2310.55 days
Date of orbit computation  Oct 31 04:55
Observational summary
Optical observations (Discarded) 2808 (31)
Radar observations (Discarded) 0 (0)
Arc length 33099.2 days
Unobserved 104 days

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Ephemeris at epoch 58506 MJD
Right Ascension 286.529 deg
Declination -22.8821 deg
V Magnitude 17.4 mag
Solar Elongation 17.22 deg
Galactic Latitude -13.28 deg
Rate 0.318 deg/day
Direction 83.927 deg

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