AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Alfreda ∴ Summary
Contact »
(1375) Alfreda  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.44777 5.202e-09 au
e 0.070869 2.446e-08
i 5.82 2.899e-06 deg
Ω 52.739 3.353e-05 deg
ω 31.493 4.348e-05 deg
M 357.602 2.696e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    11.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2743 au
Aphelion 2.6212 au
Asc. node-Earth separation 1.30836 au
Desc. node-Earth separation 1.58143 au
Earth MOID 1.2927 au
Orbital period 1398.79 days
Date of orbit computation  feb 22 01:50
Observational summary
Optical observations (Discarded) 4103 (32)
Radar observations (Discarded) 0 (0)
Arc length 39146.3 days
Unobserved 77 days

More info »
Ephemeris at epoch 60419 MJD
Right Ascension 68.0608 deg
Declination 24.4794 deg
V Magnitude 16.54 mag
Solar Elongation -41.07 deg
Galactic Latitude -15.86 deg
Rate 0.469 deg/day
Direction 79.934 deg

More info »