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Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2001ST181 ∴ Orbital info ∴ Epoch epochXXX
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(55365) 2001ST181  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 55365.eq1)
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.09568 2.101e-08 au
e 0.061281 5.75e-08
i 8.387 6.211e-06 deg
Ω 345.981 3.036e-05 deg
ω 179.734 4.981e-05 deg
M 220.674 3.914e-05 deg
Other useful info
Absolute Magnitude (H)    14.7 mag
Slope parameter (G)    0.15 mag
Perihelion 2.906 au
Aphelion 3.2854 au
Asc. node-Earth separation 2.27853 au
Desc. node-Earth separation 1.91397 au
Earth MOID 1.91337 au
Orbital period 1989.45 days
Date of orbit computation  apr 23 19:57
Correlation matrix
1.000000000.26060865-0.007006390.000869290.05124516-0.19260408
0.260608651.00000000-0.00603914-0.005791740.07948754-0.11223371
-0.00700639-0.006039141.000000000.04721386-0.031937690.00328950
0.00086929-0.005791740.047213861.00000000-0.58114965-0.02287508
0.051245160.07948754-0.03193769-0.581149651.00000000-0.78954465
-0.19260408-0.112233710.00328950-0.02287508-0.789544651.00000000
Covariance matrix
4.41452678E-163.14872274E-16-9.14373650E-165.54590139E-165.36280942E-14-1.58392422E-13
3.14872274E-163.30679307E-15-2.15707796E-15-1.01129363E-142.27666958E-13-2.52611826E-13
-9.14373650E-16-2.15707796E-153.85810644E-118.90473562E-12-9.88070714E-127.99730461E-13
5.54590139E-16-1.01129363E-148.90473562E-129.21995609E-10-8.78921028E-10-2.71865380E-11
5.36280942E-142.27666958E-13-9.88070714E-12-8.78921028E-102.48081797E-09-1.53922101E-09
-1.58392422E-13-2.52611826E-137.99730461E-13-2.71865380E-11-1.53922101E-091.53198205E-09