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Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Irma ∴ Orbital info ∴ Epoch epochXXX
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(177) Irma  ▹ 
ORBITAL INFORMATION
(ASCII data file 177.eq1)
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.77376 7.423e-09 au
e 0.235207 3.048e-08
i 1.383 4.106e-06 deg
Ω 347.36 0.0001452 deg
ω 38.607 0.0001454 deg
M 212.832 9.062e-06 deg
Other useful info
Absolute Magnitude (H)    9.7 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1214 au
Aphelion 3.4262 au
Asc. node-Earth separation 1.20624 au
Desc. node-Earth separation 2.21637 au
Earth MOID 1.12512 au
Orbital period 1687.34 days
Date of orbit computation  Oct 31 04:54
Correlation matrix
1.000000000.16666150-0.01743097-0.016879020.03226458-0.55694993
0.166661501.000000000.006162320.00672492-0.017469490.07127781
-0.017430970.006162321.00000000-0.034775190.034437640.00159167
-0.016879020.00672492-0.034775191.00000000-0.998066350.00899886
0.03226458-0.017469490.03443764-0.998066351.00000000-0.06487317
-0.556949930.071277810.001591670.00899886-0.064873171.00000000
Covariance matrix
5.50987031E-173.77095688E-17-5.31318225E-16-1.81899274E-143.48313877E-14-3.74643529E-14
3.77095688E-179.29161478E-167.71350996E-162.97608961E-14-7.74461662E-141.96893485E-14
-5.31318225E-167.71350996E-161.68626075E-11-2.07321831E-112.05669438E-115.92307866E-14
-1.81899274E-142.97608961E-14-2.07321831E-112.10778516E-08-2.10739823E-081.18394668E-11
3.48313877E-14-7.74461662E-142.05669438E-11-2.10739823E-082.11518352E-08-8.55008654E-11
-3.74643529E-141.96893485E-145.92307866E-141.18394668E-11-8.55008654E-118.21226181E-11





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