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Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Niihama ∴ Orbital info ∴ Epoch epochXXX
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(220736) Niihama  ▹ 
ORBITAL INFORMATION
(ASCII data file 220736.eq1)
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.16387 2.785e-08 au
e 0.240203 4.126e-08
i 25.275 7.008e-06 deg
Ω 84.551 1.234e-05 deg
ω 236.472 1.976e-05 deg
M 222.555 1.622e-05 deg
Other useful info
Absolute Magnitude (H)    15.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.4039 au
Aphelion 3.9238 au
Asc. node-Earth separation 2.45384 au
Desc. node-Earth separation 1.61631 au
Earth MOID 1.47237 au
Orbital period 2055.54 days
Date of orbit computation  feb 22 02:37
Correlation matrix
1.000000000.134312620.016255350.003631300.14686251-0.51306685
0.134312621.000000000.003477650.01044611-0.102143360.02534691
0.016255350.003477651.00000000-0.328322300.183072810.00096751
0.003631300.01044611-0.328322301.00000000-0.579575170.02007171
0.14686251-0.102143360.18307281-0.579575171.00000000-0.75110060
-0.513066850.025346910.000967510.02007171-0.751100601.00000000
Covariance matrix
7.75664494E-161.54339474E-163.17247295E-151.24846892E-158.08283034E-14-2.31721664E-13
1.54339474E-161.70234071E-151.00548020E-155.32054305E-15-8.32815724E-141.69591476E-14
3.17247295E-151.00548020E-154.91054124E-11-2.84016323E-112.53515239E-111.09944725E-13
1.24846892E-155.32054305E-15-2.84016323E-111.52390001E-10-1.41385073E-104.01807824E-12
8.08283034E-14-8.32815724E-142.53515239E-11-1.41385073E-103.90509053E-10-2.40696285E-10
-2.31721664E-131.69591476E-141.09944725E-134.01807824E-12-2.40696285E-102.62973178E-10