AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Roman ∴ Orbital info ∴ Epoch epochXXX
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(2516) Roman  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 2516.eq1)
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.27957 4.671e-09 au
e 0.164612 2.22e-08
i 1.094 2.6e-06 deg
Ω 123.413 0.0001613 deg
ω 313.368 0.0001616 deg
M 76.596 9.913e-06 deg
Other useful info
Absolute Magnitude (H)    13.6 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9043 au
Aphelion 2.6548 au
Asc. node-Earth separation 1.00813 au
Desc. node-Earth separation 1.48602 au
Earth MOID 0.92022 au
Orbital period 1257.13 days
Date of orbit computation  apr 23 19:46
Correlation matrix
1.000000000.006910300.00538222-0.005256120.00411900-0.25060716
0.006910301.00000000-0.00371975-0.00509686-0.007785520.19182029
0.00538222-0.003719751.000000000.26459139-0.26382690-0.00245089
-0.00525612-0.005096860.264591391.00000000-0.99788789-0.00081146
0.00411900-0.00778552-0.26382690-0.997887891.00000000-0.06056887
-0.250607160.19182029-0.00245089-0.00081146-0.060568871.00000000
Covariance matrix
2.18184753E-177.16505379E-196.53555952E-17-3.95994115E-153.10896895E-15-1.16038132E-14
7.16505379E-194.92743007E-16-2.14651153E-16-1.82483901E-14-2.79260723E-144.22084930E-14
6.53555952E-17-2.14651153E-166.75800490E-121.10942091E-10-1.10825631E-10-6.31579307E-14
-3.95994115E-15-1.82483901E-141.10942091E-102.60149363E-08-2.60078842E-08-1.29739329E-12
3.10896895E-15-2.79260723E-14-1.10825631E-10-2.60078842E-082.61110159E-08-9.70189178E-11
-1.16038132E-144.22084930E-14-6.31579307E-14-1.29739329E-12-9.70189178E-119.82630230E-11