Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 4 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/25/2023   23:05:23   (  -0.13,-138.81) (   0.52,-135.86)  335.83                80
 04/27/2023   11:30:26   (   0.11,-139.57) (   0.47,-141.28)  194.27                80
 04/28/2023   11:09:24   (   0.12,-140.04) (  -0.60,-136.84)  365.52                80
 04/29/2023   23:34:35   (  -0.10,-140.74) (  -0.47,-142.28)  176.70                80
 04/30/2023   23:13:33   (  -0.12,-141.21) (   0.67,-137.86)  383.01                80
 05/02/2023   11:38:35   (   0.10,-141.97) (   0.39,-143.26)  147.60                80
 05/03/2023   11:17:32   (   0.11,-142.43) (  -0.70,-138.82)  411.76                80
 05/04/2023   23:42:44   (  -0.09,-143.12) (  -0.33,-144.27)  131.48                80
 05/05/2023   23:21:40   (  -0.10,-143.58) (   0.72,-139.82)  427.39                80
 05/07/2023   11:46:41   (   0.07,-144.32) (   0.31,-145.23)  104.96                80
 05/08/2023   11:25:39   (   0.09,-144.77) (  -0.81,-140.80)  453.31                80