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Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2011UR257 ∴ Orbital info ∴ Epoch epochXXX
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(549881) 2011UR257  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 549881.eq1)
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.87043 2.474e-08 au
e 0.076468 6.024e-08
i 2.663 4.986e-06 deg
Ω 45.079 0.0001352 deg
ω 298.591 0.0001407 deg
M 253.956 3.803e-05 deg
Other useful info
Absolute Magnitude (H)    17.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.6509 au
Aphelion 3.0899 au
Asc. node-Earth separation 1.76254 au
Desc. node-Earth separation 1.95353 au
Earth MOID 1.64427 au
Orbital period 1776.32 days
Date of orbit computation  apr 23 21:46
Correlation matrix
1.00000000-0.295169250.000557680.01232037-0.01446423-0.16789986
-0.295169251.00000000-0.013551150.01337848-0.042500190.16881311
0.00055768-0.013551151.00000000-0.116759460.11609289-0.01357074
0.012320370.01337848-0.116759461.00000000-0.95816718-0.00530083
-0.01446423-0.042500190.11609289-0.958167181.00000000-0.27519086
-0.167899860.16881311-0.01357074-0.00530083-0.275190861.00000000
Covariance matrix
6.12217944E-16-4.39985012E-166.87965730E-174.12188845E-14-5.03722614E-14-1.57986078E-13
-4.39985012E-163.62933854E-15-4.07025351E-151.08978238E-13-3.60369249E-133.86754506E-13
6.87965730E-17-4.07025351E-152.48578240E-11-7.87123599E-118.14667219E-11-2.57306330E-12
4.12188845E-141.08978238E-13-7.87123599E-111.82826283E-08-1.82349125E-08-2.72570122E-11
-5.03722614E-14-3.60369249E-138.14667219E-11-1.82349125E-081.98100768E-08-1.47296540E-09
-1.57986078E-133.86754506E-13-2.57306330E-12-2.72570122E-11-1.47296540E-091.44620857E-09