AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Polyneikes ∴ Summary
Contact »
(20947) Polyneikes  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 5.06796 6.702e-08 au
e 0.025074 4.079e-08
i 2.328 4.666e-06 deg
Ω 52.242 0.0001036 deg
ω 38.002 0.0001489 deg
M 19.779 0.0001053 deg

More info »
Other useful info
Absolute Magnitude (H)    12.0 mag
Slope parameter (G)    0.15 mag
Perihelion 4.9409 au
Aphelion 5.195 au
Asc. node-Earth separation 3.97826 au
Desc. node-Earth separation 4.15624 au
Earth MOID 3.95818 au
Orbital period 4167.23 days
Date of orbit computation  apr 23 19:50
Observational summary
Optical observations (Discarded) 1917 (8)
Radar observations (Discarded) 0 (0)
Arc length 18385.2 days
Unobserved 95 days

More info »
Ephemeris at epoch 60426 MJD
Right Ascension 103.883 deg
Declination 24.7522 deg
V Magnitude 19.75 mag
Solar Elongation -66.68 deg
Galactic Latitude 11.85 deg
Rate 0.155 deg/day
Direction 96.799 deg

More info »