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Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Iolanda ∴ Orbital info ∴ Epoch epochXXX
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(509) Iolanda  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 509.eq1)
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.06559 7.553e-09 au
e 0.098106 2.321e-08
i 15.417 3.146e-06 deg
Ω 217.498 9.8e-06 deg
ω 156.456 1.883e-05 deg
M 45.996 1.573e-05 deg
Other useful info
Absolute Magnitude (H)    8.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.7648 au
Aphelion 3.3663 au
Asc. node-Earth separation 2.32931 au
Desc. node-Earth separation 1.79351 au
Earth MOID 1.77414 au
Orbital period 1960.51 days
Date of orbit computation  Jun 5 00:37
Correlation matrix
1.000000000.045044300.041752470.02385172-0.00275421-0.15324934
0.045044301.00000000-0.02149530-0.000565630.19716944-0.27446990
0.04175247-0.021495301.000000000.31089374-0.159784250.00132388
0.02385172-0.000565630.310893741.00000000-0.48886925-0.01714160
-0.002754210.19716944-0.15978425-0.488869251.00000000-0.84861244
-0.15324934-0.274469900.00132388-0.01714160-0.848612441.00000000
Covariance matrix
5.70437258E-177.89605397E-189.91928228E-161.76543284E-15-3.91619693E-16-1.82107110E-14
7.89605397E-185.38682312E-16-1.56929262E-15-1.28655550E-168.61528161E-14-1.00227160E-13
9.91928228E-16-1.56929262E-159.89437339E-129.58370956E-12-9.46218933E-126.55189079E-14
1.76543284E-15-1.28655550E-169.58370956E-129.60406379E-11-9.01952701E-11-2.64303626E-12
-3.91619693E-168.61528161E-14-9.46218933E-12-9.01952701E-113.54427198E-10-2.51360634E-10
-1.82107110E-14-1.00227160E-136.55189079E-14-2.64303626E-12-2.51360634E-102.47541885E-10