AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Helena ∴ Orbital info ∴ Epoch epochXXX
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(101) Helena  ▹ 
ORBITAL INFORMATION
(ASCII data file 101.eq1)
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.5839 7.463e-09 au
e 0.140134 4.674e-08
i 10.194 5.366e-06 deg
Ω 343.398 2.271e-05 deg
ω 348.358 2.634e-05 deg
M 65.82 1.541e-05 deg
Other useful info
Absolute Magnitude (H)    8.4 mag
Slope parameter (G)    0.35 mag
Perihelion 2.2218 au
Aphelion 2.946 au
Asc. node-Earth separation 1.21926 au
Desc. node-Earth separation 1.94293 au
Earth MOID 1.21187 au
Orbital period 1517.09 days
Date of orbit computation  Oct 31 04:54
Correlation matrix
1.00000000-0.181125650.00353280-0.030811310.07708764-0.37239071
-0.181125651.00000000-0.00436318-0.003157480.07061026-0.09352102
0.00353280-0.004363181.000000000.03717592-0.042969990.02035770
-0.03081131-0.003157480.037175921.00000000-0.83409006-0.03046719
0.077087640.07061026-0.04296999-0.834090061.00000000-0.49072603
-0.37239071-0.093521020.02035770-0.03046719-0.490726031.00000000
Covariance matrix
5.56978482E-17-6.31787723E-171.41476432E-16-5.22125928E-151.51528342E-14-4.28215944E-14
-6.31787723E-172.18445968E-15-1.09426038E-15-3.35087376E-158.69220009E-14-6.73482075E-14
1.41476432E-16-1.09426038E-152.87932551E-114.52952846E-12-6.07296247E-121.68313506E-12
-5.22125928E-15-3.35087376E-154.52952846E-125.15574853E-10-4.98825586E-10-1.06591622E-11
1.51528342E-148.69220009E-14-6.07296247E-12-4.98825586E-106.93712987E-10-1.99147010E-10
-4.28215944E-14-6.73482075E-141.68313506E-12-1.06591622E-11-1.99147010E-102.37404836E-10





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