NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ Poseidon ∴ Summary
Contact »
(4341) Poseidon  ▹ 
SUMMARY
Keplerian elements at epoch
58200.0 MJD
Value 1-σ variation Units
a 1.83492 5.742e-09 au
e 0.679505 4.33e-08
i 11.852 5.893e-06 deg
Ω 108.107 2.729e-05 deg
ω 15.647 3.06e-05 deg
M 172.513 1.747e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    15.9 mag
Slope parameter (G)    0.15 mag
Perihelion 0.5881 au
Aphelion 3.0818 au
Asc. node-Earth separation -0.38692 au
Desc. node-Earth separation 1.84046 au
Earth MOID 0.19449 au
Orbital period 907.868 days
Date of orbit computation   Aug 9 17:57
Observational summary
Optical observations (Discarded) 520 (7)
Radar observations (Discarded) 0 (0)
Arc length 11394 days
Unobserved 12 days

More info »
Ephemeris at epoch 58350 MJD
Right Ascension 317.522 deg
Declination -25.6034 deg
V Magnitude 20.1 mag
Solar Elongation -163.15 deg
Galactic Latitude -40.81 deg
Rate 0.326 deg/day
Direction -110.439 deg

More info »





This Web Site has been visited 299943 times since

and this Page has been visited 6523 times since 2011/06/25