Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 8 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/09/2022   22:24:58   (  -0.40,-128.05) (  -0.38,-127.97)    9.60                80
 08/12/2022   10:28:50   (   0.40,-128.11) (   0.60,-128.88)   87.77                80
 08/13/2022   10:07:45   (   0.39,-128.12) (  -0.44,-124.43)  421.16                80
 08/14/2022   22:30:12   (  -0.40,-128.11) (  -0.82,-129.83)  196.90                80
 08/15/2022   22:14:27   (  -0.40,-128.12) (   0.22,-125.38)  312.82                80
 08/17/2022   10:36:44   (   0.41,-128.18) (   0.97,-130.75)  293.07                80
 08/18/2022   10:15:39   (   0.40,-128.18) (  -0.01,-126.29)  215.65                80
 08/19/2022   22:38:06   (  -0.40,-128.15) (  -1.18,-131.70)  404.57                80
 08/20/2022   22:22:21   (  -0.40,-128.16) (  -0.20,-127.24)  104.45                80