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(287) Nephthys  ▹ 
ORBITAL INFORMATION
(ASCII data file 287.eq0)
Keplerian elements at epoch
55259.7 MJD
Value 1-σ variation Units
a 2.35289 3.093e-09 au
e 0.023884 2.586e-08
i 10.029 2.687e-06 deg
Ω 142.45 1.807e-05 deg
ω 118.116 5.92e-05 deg
M 209.598 5.667e-05 deg
Other useful info
Absolute Magnitude (H)    8.3 mag
Slope parameter (G)    0.22 mag
Perihelion 2.2967 au
Aphelion 2.4091 au
Asc. node-Earth separation 1.39149 au
Desc. node-Earth separation 1.3136 au
Earth MOID 1.29558 au
Orbital period 1318.26 days
Date of orbit computation  Jun 5 00:37
Correlation matrix
1.00000000-0.091014180.00370575-0.001470370.13767583-0.14745670
-0.091014181.00000000-0.007007370.01323038-0.168559310.16646482
0.00370575-0.007007371.000000000.011593240.00406717-0.00908352
-0.001470370.013230380.011593241.00000000-0.29015986-0.01002832
0.13767583-0.168559310.00406717-0.290159861.00000000-0.95341611
-0.147456700.16646482-0.00908352-0.01002832-0.953416111.00000000
Covariance matrix
9.56549805E-18-7.27942816E-183.07975470E-17-8.21668161E-172.52091557E-14-2.58448492E-14
-7.27942816E-186.68757719E-16-4.86939631E-166.18191905E-15-2.58067877E-132.43956596E-13
3.07975470E-17-4.86939631E-167.22057350E-125.62869010E-136.47031571E-13-1.38323454E-12
-8.21668161E-176.18191905E-155.62869010E-133.26462458E-10-3.10385033E-10-1.02683429E-11
2.52091557E-14-2.58067877E-136.47031571E-13-3.10385033E-103.50504517E-09-3.19878462E-09
-2.58448492E-142.43956596E-13-1.38323454E-12-1.02683429E-11-3.19878462E-093.21152576E-09