AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Messenger ∴ Summary
Contact »
(7861) Messenger  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.43819 5.796e-09 au
e 0.172732 3.448e-08
i 1.954 3.792e-06 deg
Ω 309.056 9.445e-05 deg
ω 345.525 9.503e-05 deg
M 15.937 1.13e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    14.6 mag
Slope parameter (G)    0.15 mag
Perihelion 2.017 au
Aphelion 2.8593 au
Asc. node-Earth separation 1.01192 au
Desc. node-Earth separation 1.8558 au
Earth MOID 1.00085 au
Orbital period 1390.6 days
Date of orbit computation  apr 23 19:47
Observational summary
Optical observations (Discarded) 2623 (10)
Radar observations (Discarded) 0 (0)
Arc length 15516.1 days
Unobserved 260 days

More info »
Ephemeris at epoch 60425 MJD
Right Ascension 348.251 deg
Declination -4.54645 deg
V Magnitude 19.25 mag
Solar Elongation 47.53 deg
Galactic Latitude -57.43 deg
Rate 0.514 deg/day
Direction 65.897 deg

More info »