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AstDyS ∴ Objects ∴ Phthia ∴ Summary
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(189) Phthia  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.45022 6.106e-09 au
e 0.036885 3.849e-08
i 5.178 4.372e-06 deg
Ω 203.422 4.088e-05 deg
ω 167.428 6.364e-05 deg
M 183.16 4.906e-05 deg

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Other useful info
Absolute Magnitude (H)    9.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.3598 au
Aphelion 2.5406 au
Asc. node-Earth separation 1.53369 au
Desc. node-Earth separation 1.36513 au
Earth MOID 1.35877 au
Orbital period 1400.9 days
Date of orbit computation  Oct 31 04:54
Observational summary
Optical observations (Discarded) 2355 (86)
Radar observations (Discarded) 0 (0)
Arc length 50549.3 days
Unobserved 202 days

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Ephemeris at epoch 58506 MJD
Right Ascension 237.504 deg
Declination -18.7948 deg
V Magnitude 14.61 mag
Solar Elongation 63 deg
Galactic Latitude 26.91 deg
Rate 0.367 deg/day
Direction 98.586 deg

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