AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Alfreda ∴ Summary
Contact »
(1375) Alfreda  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.44723 7.139e-09 au
e 0.070754 3.627e-08
i 5.82 3.72e-06 deg
Ω 52.766 4.107e-05 deg
ω 32.869 5.025e-05 deg
M 201.351 2.899e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    11.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2741 au
Aphelion 2.6204 au
Asc. node-Earth separation 1.30906 au
Desc. node-Earth separation 1.57662 au
Earth MOID 1.29152 au
Orbital period 1398.34 days
Date of orbit computation  Oct 31 04:55
Observational summary
Optical observations (Discarded) 2200 (31)
Radar observations (Discarded) 0 (0)
Arc length 37219.2 days
Unobserved 152 days

More info »
Ephemeris at epoch 58566 MJD
Right Ascension 337.324 deg
Declination -14.2102 deg
V Magnitude 16.83 mag
Solar Elongation 29.32 deg
Galactic Latitude -54.49 deg
Rate 0.44 deg/day
Direction 69.403 deg

More info »





This Web Site has been visited 109523 times since

and this Page has been visited 335 times since 2011/10/15