AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Gretia ∴ Summary
Contact »
(984) Gretia  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.80204 8.708e-09 au
e 0.197425 4.413e-08
i 9.094 4.921e-06 deg
Ω 314.207 2.677e-05 deg
ω 55.407 2.902e-05 deg
M 149.415 1.078e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    9.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2488 au
Aphelion 3.3552 au
Asc. node-Earth separation 1.40664 au
Desc. node-Earth separation 2.04592 au
Earth MOID 1.26121 au
Orbital period 1713.2 days
Date of orbit computation  Oct 31 04:55
Observational summary
Optical observations (Discarded) 2148 (65)
Radar observations (Discarded) 0 (0)
Arc length 39582.4 days
Unobserved 248 days

More info »
Ephemeris at epoch 58534 MJD
Right Ascension 195.528 deg
Declination -16.7226 deg
V Magnitude 15.04 mag
Solar Elongation 129.4 deg
Galactic Latitude 46.07 deg
Rate 0.085 deg/day
Direction -110.128 deg

More info »





This Web Site has been visited 204127 times since

and this Page has been visited 273 times since 2011/10/22