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AstDyS ∴ Objects ∴ Spiraea ∴ Summary
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(1091) Spiraea  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.4186 1.034e-08 au
e 0.070808 2.514e-08
i 1.152 2.847e-06 deg
Ω 80.834 0.0001071 deg
ω 12.86 0.000109 deg
M 123.729 1.881e-05 deg

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Other useful info
Absolute Magnitude (H)    11.0 mag
Slope parameter (G)    0.15 mag
Perihelion 3.1765 au
Aphelion 3.6607 au
Asc. node-Earth separation 2.19821 au
Desc. node-Earth separation 2.63797 au
Earth MOID 2.19371 au
Orbital period 2308.72 days
Date of orbit computation  apr 23 19:46
Observational summary
Optical observations (Discarded) 7480 (394)
Radar observations (Discarded) 0 (0)
Arc length 35088.3 days
Unobserved 39 days

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Ephemeris at epoch 60431 MJD
Right Ascension 228.979 deg
Declination -17.2236 deg
V Magnitude 16.16 mag
Solar Elongation 169.57 deg
Galactic Latitude 33.48 deg
Rate 0.176 deg/day
Direction -75.656 deg

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