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(1009) Sirene  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.62928 2.8e-09 au
e 0.45293 3.25e-08
i 15.717 4.548e-06 deg
Ω 229.279 5.452e-06 deg
ω 186.584 7.626e-06 deg
M 206.722 2.111e-06 deg

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Other useful info
Absolute Magnitude (H)    14.2 mag
Slope parameter (G)    0.15 mag
Perihelion 1.4384 au
Aphelion 3.8202 au
Asc. node-Earth separation 2.78967 au
Desc. node-Earth separation 0.45221 au
Earth MOID 0.45106 au
Orbital period 1557.23 days
Date of orbit computation  feb 22 01:50
Observational summary
Optical observations (Discarded) 7416 (464)
Radar observations (Discarded) 0 (0)
Arc length 36390.5 days
Unobserved 307 days

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Ephemeris at epoch 60423 MJD
Right Ascension 260.056 deg
Declination -16.3438 deg
V Magnitude 20.16 mag
Solar Elongation 132.24 deg
Galactic Latitude 11.69 deg
Rate 0.109 deg/day
Direction -53.24 deg

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