AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Martina ∴ Summary
Contact »
(981) Martina  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 3.09345 1.207e-08 au
e 0.203728 4.056e-08
i 2.066 3.708e-06 deg
Ω 46.079 0.0001247 deg
ω 298.37 0.0001252 deg
M 200.472 1.046e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    10.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.4632 au
Aphelion 3.7237 au
Asc. node-Earth separation 1.71196 au
Desc. node-Earth separation 2.27303 au
Earth MOID 1.45587 au
Orbital period 1987.3 days
Date of orbit computation  Oct 8 21:12
Observational summary
Optical observations (Discarded) 2605 (44)
Radar observations (Discarded) 0 (0)
Arc length 40844.9 days
Unobserved 115 days

More info »
Ephemeris at epoch 58407 MJD
Right Ascension 184.227 deg
Declination -0.51947 deg
V Magnitude 17.5 mag
Solar Elongation 18.28 deg
Galactic Latitude 61.13 deg
Rate 0.301 deg/day
Direction 113.602 deg

More info »





This Web Site has been visited 606308 times since

and this Page has been visited 196 times since 2011/11/08