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(18961) Hampfreeman  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 18961.eq0)
Keplerian elements at epoch
57628.7 MJD
Value 1-σ variation Units
a 2.39604 7.029e-09 au
e 0.188971 3.008e-08
i 2.463 3.461e-06 deg
Ω 18.069 7.754e-05 deg
ω 49.855 7.811e-05 deg
M 61.481 9.062e-06 deg
Other useful info
Absolute Magnitude (H)    15.3 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9433 au
Aphelion 2.8488 au
Asc. node-Earth separation 1.06114 au
Desc. node-Earth separation 1.6286 au
Earth MOID 0.957 au
Orbital period 1354.69 days
Date of orbit computation  apr 23 19:50
Correlation matrix
1.000000000.04507634-0.000601220.00836815-0.009217500.00978688
0.045076341.00000000-0.00217019-0.00122267-0.007962380.04630869
-0.00060122-0.002170191.000000000.06441061-0.064316010.00414096
0.00836815-0.001222670.064410611.00000000-0.99052990-0.00318550
-0.00921750-0.00796238-0.06431601-0.990529901.00000000-0.13022668
0.009786880.046308690.00414096-0.00318550-0.130226681.00000000
Covariance matrix
4.94070795E-179.53121370E-18-1.46277672E-174.56077732E-15-5.06106230E-156.23422488E-16
9.53121370E-189.04919347E-16-2.25970148E-16-2.85187352E-15-1.87103433E-141.26244156E-14
-1.46277672E-17-2.25970148E-161.19810997E-111.72870396E-11-1.73900699E-111.29895131E-13
4.56077732E-15-2.85187352E-151.72870396E-116.01214834E-09-5.99951780E-09-2.23839480E-12
-5.06106230E-15-1.87103433E-14-1.73900699E-11-5.99951780E-096.10193842E-09-9.21887003E-11
6.23422488E-161.26244156E-141.29895131E-13-2.23839480E-12-9.21887003E-118.21273182E-11