Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 8 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/04/2022   22:17:03   (  -0.39,-127.99) (   0.01,-126.10)  214.54                80
 08/06/2022   10:39:21   (   0.41,-128.04) (   1.19,-131.47)  391.76                80
 08/07/2022   10:18:16   (   0.40,-128.05) (   0.16,-127.02)  117.38                80
 08/08/2022   22:40:42   (  -0.41,-128.04) (  -1.41,-132.42)  499.84                80
 08/09/2022   22:24:58   (  -0.40,-128.06) (  -0.38,-127.97)    9.62                80
 08/12/2022   10:28:50   (   0.40,-128.11) (   0.60,-128.88)   88.05                80
 08/13/2022   10:07:45   (   0.39,-128.12) (  -0.43,-124.43)  420.85                80
 08/14/2022   22:30:12   (  -0.40,-128.11) (  -0.82,-129.83)  197.24                80
 08/15/2022   22:14:27   (  -0.40,-128.12) (   0.21,-125.38)  312.41                80
 08/17/2022   10:36:44   (   0.41,-128.18) (   0.98,-130.75)  293.74                80