AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2012SW21 ∴ Orbital info ∴ Epoch epochXXX
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(478505) 2012SW21  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 478505.eq0)
Keplerian elements at epoch
58245.4 MJD
Value 1-σ variation Units
a 2.52901 2.645e-08 au
e 0.091387 6.645e-08
i 10.282 9.752e-06 deg
Ω 342.697 3.548e-05 deg
ω 271.77 6.921e-05 deg
M 238.961 5.923e-05 deg
Other useful info
Absolute Magnitude (H)    17.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2979 au
Aphelion 2.7601 au
Asc. node-Earth separation 1.49247 au
Desc. node-Earth separation 1.52391 au
Earth MOID 1.31163 au
Orbital period 1469.01 days
Date of orbit computation  apr 23 21:32
Correlation matrix
1.000000000.052404640.010155850.015781640.12998272-0.16989600
0.052404641.00000000-0.021489760.00387700-0.448216630.46307249
0.01015585-0.021489761.000000000.46268997-0.19572605-0.04305031
0.015781640.003877000.462689971.00000000-0.47642620-0.03047800
0.12998272-0.44821663-0.19572605-0.476426201.00000000-0.86025696
-0.169896000.46307249-0.04305031-0.03047800-0.860256961.00000000
Covariance matrix
6.99817057E-169.21271155E-172.61990117E-151.48125833E-142.37986399E-13-2.66207005E-13
9.21271155E-174.41622254E-15-1.39262265E-149.14128312E-15-2.06152068E-121.82271394E-12
2.61990117E-15-1.39262265E-149.50939046E-111.60085791E-10-1.32098907E-10-2.48654681E-11
1.48125833E-149.14128312E-151.60085791E-101.25884634E-09-1.16992025E-09-6.40496611E-11
2.37986399E-13-2.06152068E-12-1.32098907E-10-1.16992025E-094.79014344E-09-3.52652133E-09
-2.66207005E-131.82271394E-12-2.48654681E-11-6.40496611E-11-3.52652133E-093.50823049E-09