AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Nephele ∴ Summary
Contact »
(431) Nephele  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 3.13912 1.056e-08 au
e 0.169952 3.006e-08
i 1.828 3.683e-06 deg
Ω 117.192 0.0001182 deg
ω 216.943 0.0001187 deg
M 11.518 1.157e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    9.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.6056 au
Aphelion 3.6726 au
Asc. node-Earth separation 2.54207 au
Desc. node-Earth separation 1.66736 au
Earth MOID 1.59504 au
Orbital period 2031.47 days
Date of orbit computation  Oct 31 04:54
Observational summary
Optical observations (Discarded) 2828 (101)
Radar observations (Discarded) 0 (0)
Arc length 44136.5 days
Unobserved 25 days

More info »
Ephemeris at epoch 58439 MJD
Right Ascension 341.345 deg
Declination -9.99435 deg
V Magnitude 13.83 mag
Solar Elongation -104.67 deg
Galactic Latitude -55.72 deg
Rate 0.172 deg/day
Direction 65.512 deg

More info »





This Web Site has been visited 225368 times since

and this Page has been visited 284 times since 2011/12/02