AstDyS-2
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(7861) Messenger  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 7861.eq0)
Keplerian elements at epoch
57047.0 MJD
Value 1-σ variation Units
a 2.43957 5.782e-09 au
e 0.172913 3.441e-08
i 1.955 3.791e-06 deg
Ω 309.137 9.436e-05 deg
ω 345.39 9.494e-05 deg
M 228.055 1.158e-05 deg
Other useful info
Absolute Magnitude (H)    14.6 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0177 au
Aphelion 2.8614 au
Asc. node-Earth separation 1.01154 au
Desc. node-Earth separation 1.85716 au
Earth MOID 1.00057 au
Orbital period 1391.78 days
Date of orbit computation  apr 23 19:47
Correlation matrix
1.00000000-0.075252260.00968811-0.00388188-0.023645020.21705426
-0.075252261.00000000-0.00357987-0.001827440.05757755-0.51236843
0.00968811-0.003579871.000000000.36799804-0.366071900.00334315
-0.00388188-0.001827440.367998041.00000000-0.99208593-0.00606843
-0.023645020.05757755-0.36607190-0.992085931.00000000-0.11668011
0.21705426-0.512368430.00334315-0.00606843-0.116680111.00000000
Covariance matrix
3.34272752E-17-1.49725012E-172.12358206E-16-2.11787912E-15-1.29794866E-141.45317845E-14
-1.49725012E-171.18426435E-15-4.67057752E-16-5.93439984E-151.88124241E-13-2.04177008E-13
2.12358206E-16-4.67057752E-161.43733882E-111.31653847E-10-1.31768995E-101.46769350E-13
-2.11787912E-15-5.93439984E-151.31653847E-108.90465174E-09-8.88842937E-09-6.63109066E-12
-1.29794866E-141.88124241E-13-1.31768995E-10-8.88842937E-099.01435234E-09-1.28281557E-10
1.45317845E-14-2.04177008E-131.46769350E-13-6.63109066E-12-1.28281557E-101.34091203E-10