Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 8 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/06/2022   10:39:20   (   0.41,-128.03) (   1.20,-131.47)  392.11                80
 08/07/2022   10:18:16   (   0.40,-128.04) (   0.17,-127.02)  116.89                80
 08/09/2022   22:24:58   (  -0.40,-128.05) (  -0.40,-127.97)    8.83                80
 08/12/2022   10:28:51   (   0.40,-128.10) (   0.56,-128.89)   89.19                80
 08/13/2022   10:07:45   (   0.39,-128.11) (  -0.41,-124.42)  419.55                80
 08/14/2022   22:30:12   (  -0.40,-128.09) (  -0.78,-129.84)  198.88                80
 08/15/2022   22:14:27   (  -0.40,-128.10) (   0.19,-125.37)  310.62                80
 08/17/2022   10:36:44   (   0.41,-128.16) (   1.00,-130.75)  295.60                80
 08/18/2022   10:15:40   (   0.40,-128.16) (  -0.03,-126.30)  212.92                80