AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Phthia ∴ Summary
Contact »
(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

More info »
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 257 days

More info »
Ephemeris at epoch 58561 MJD
Right Ascension 254.219 deg
Declination -19.6192 deg
V Magnitude 14.04 mag
Solar Elongation 102.68 deg
Galactic Latitude 14.4 deg
Rate 0.18 deg/day
Direction 82.933 deg

More info »





This Web Site has been visited 71518 times since

and this Page has been visited 461 times since 2011/10/25