AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Roman ∴ Orbital info ∴ Epoch epochXXX
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(2516) Roman  ▹ 
ORBITAL INFORMATION
(ASCII data file 2516.eq0)
Keplerian elements at epoch
57489.2 MJD
Value 1-σ variation Units
a 2.2798 4.713e-09 au
e 0.164178 2.202e-08
i 1.093 2.599e-06 deg
Ω 123.391 0.0001614 deg
ω 313.474 0.0001617 deg
M 323.028 9.74e-06 deg
Other useful info
Absolute Magnitude (H)    13.6 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9055 au
Aphelion 2.6541 au
Asc. node-Earth separation 1.00776 au
Desc. node-Earth separation 1.48537 au
Earth MOID 0.9195 au
Orbital period 1257.31 days
Date of orbit computation  apr 23 19:46
Correlation matrix
1.000000000.014479390.00505221-0.005103260.002892330.02445415
0.014479391.00000000-0.00368829-0.00512336-0.007472640.19278398
0.00505221-0.003688291.000000000.26558087-0.26480268-0.00113471
-0.00510326-0.005123360.265580871.00000000-0.99785092-0.00218160
0.00289233-0.00747264-0.26480268-0.997850921.00000000-0.06213713
0.024454150.19278398-0.00113471-0.00218160-0.062137131.00000000
Covariance matrix
2.22123700E-171.50288524E-186.18843404E-17-3.88233969E-152.20449960E-151.12250752E-15
1.50288524E-184.85016077E-16-2.11107913E-16-1.82129887E-14-2.66143889E-144.13512038E-14
6.18843404E-17-2.11107913E-166.75465984E-121.11415762E-10-1.11298322E-10-2.87227365E-14
-3.88233969E-15-1.82129887E-141.11415762E-102.60553079E-08-2.60482329E-08-3.42975388E-12
2.20449960E-15-2.66143889E-14-1.11298322E-10-2.60482329E-082.61534509E-08-9.78711868E-11
1.12250752E-154.13512038E-14-2.87227365E-14-3.42975388E-12-9.78711868E-119.48589470E-11