Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 7 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/22/2022   10:15:50   (  -0.28,-128.27) (  -0.80,-126.05)  254.29                80
 07/23/2022   22:35:36   (   0.31,-128.23) (  -0.44,-131.45)  367.82                80
 07/24/2022   22:19:52   (   0.31,-128.21) (   0.58,-127.00)  138.21                80
 07/26/2022   10:39:29   (  -0.34,-128.18) (   0.64,-132.37)  477.89                80
 07/27/2022   10:23:45   (  -0.33,-128.15) (  -0.39,-127.91)   27.57                80
 07/29/2022   22:25:07   (   0.35,-128.07) (   0.17,-128.87)   90.40                80
 07/30/2022   22:09:21   (   0.33,-128.04) (   1.14,-124.40)  415.13                80
 08/01/2022   10:28:58   (  -0.36,-128.01) (   0.06,-129.77)  201.15                80
 08/02/2022   10:13:14   (  -0.35,-127.98) (  -0.97,-125.32)  303.95                80
 08/03/2022   22:33:00   (   0.38,-127.92) (  -0.28,-130.72)  320.70                80
 08/04/2022   22:17:16   (   0.37,-127.88) (   0.75,-126.27)  184.23                80