AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Ptolemaeus ∴ Summary
Contact »
(4001) Ptolemaeus  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.287 7.131e-09 au
e 0.171908 5.115e-08
i 5.457 4.349e-06 deg
Ω 130.665 5.03e-05 deg
ω 204.156 5.2e-05 deg
M 351.441 1.479e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    13.6 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8938 au
Aphelion 2.6802 au
Asc. node-Earth separation 1.64577 au
Desc. node-Earth separation 0.90327 au
Earth MOID 0.8843 au
Orbital period 1263.27 days
Date of orbit computation  Oct 31 04:57
Observational summary
Optical observations (Discarded) 1712 (11)
Radar observations (Discarded) 0 (0)
Arc length 25275.3 days
Unobserved 191 days

More info »
Ephemeris at epoch 58598 MJD
Right Ascension 36.6146 deg
Declination 10.6201 deg
V Magnitude 17.89 mag
Solar Elongation -5.08 deg
Galactic Latitude -45.77 deg
Rate 0.551 deg/day
Direction 71.381 deg

More info »





This Web Site has been visited 172193 times since

and this Page has been visited 502 times since 2011/10/11