AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Melpomene ∴ Summary
Contact »
(18) Melpomene  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.29631 1.905e-09 au
e 0.218139 2.666e-08
i 10.129 3.423e-06 deg
Ω 150.44 1.758e-05 deg
ω 227.875 1.884e-05 deg
M 210.684 7.382e-06 deg

More info »
Other useful info
Absolute Magnitude (H)    6.6 mag
Slope parameter (G)    0.25 mag
Perihelion 1.7954 au
Aphelion 2.7972 au
Asc. node-Earth separation 1.57172 au
Desc. node-Earth separation 0.8965 au
Earth MOID 0.81201 au
Orbital period 1270.99 days
Date of orbit computation  Oct 31 04:54
Observational summary
Optical observations (Discarded) 5276 (226)
Radar observations (Discarded) 0 (0)
Arc length 60669.3 days
Unobserved 102 days

More info »
Ephemeris at epoch 58441 MJD
Right Ascension 228.737 deg
Declination -10.5548 deg
V Magnitude 11.85 mag
Solar Elongation 10.15 deg
Galactic Latitude 38.71 deg
Rate 0.416 deg/day
Direction 104.075 deg

More info »





This Web Site has been visited 274257 times since

and this Page has been visited 584 times since 2011/10/11