Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 4 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/30/2023   23:13:35   (  -0.12,-141.21) (   0.66,-137.86)  382.51                80
 05/02/2023   11:38:37   (   0.10,-141.97) (   0.38,-143.27)  148.83                80
 05/03/2023   11:17:35   (   0.11,-142.43) (  -0.67,-138.83)  410.23                80
 05/04/2023   23:42:47   (  -0.08,-143.12) (  -0.35,-144.28)  133.16                80
 05/05/2023   23:21:46   (  -0.10,-143.58) (   0.77,-139.86)  425.38                80
 05/07/2023   11:46:48   (   0.07,-144.32) (   0.27,-145.27)  107.84                80
 05/08/2023   11:25:46   (   0.09,-144.77) (  -0.80,-140.83)  449.96                80
 05/09/2023   23:50:57   (  -0.06,-145.44) (  -0.27,-146.27)   95.50                80
 05/10/2023   23:29:54   (  -0.08,-145.89) (   0.81,-141.83)  461.97                80
 05/12/2023   11:54:57   (   0.05,-146.61) (   0.22,-147.24)   72.73                80
 05/13/2023   11:33:55   (   0.08,-147.06) (  -0.91,-142.81)  484.57                80