Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 8 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/22/2022   10:42:37   (   0.08,-137.32) (  -0.89,-133.12)  478.66                80
 08/23/2022   23:05:03   (  -0.07,-137.32) (  -0.35,-138.53)  138.20                80
 08/24/2022   22:49:18   (  -0.07,-137.31) (   0.69,-134.08)  369.92                80
 08/26/2022   11:08:55   (   0.06,-137.31) (   0.55,-139.44)  242.86                80
 08/27/2022   10:53:10   (   0.06,-137.31) (  -0.49,-134.99)  265.02                80
 08/28/2022   23:12:57   (  -0.06,-137.30) (  -0.75,-140.39)  352.61                80
 08/29/2022   22:57:11   (  -0.06,-137.29) (   0.24,-135.93)  155.08                80
 08/31/2022   11:16:48   (   0.05,-137.28) (   0.95,-141.30)  458.55                80
 09/01/2022   11:01:03   (   0.05,-137.27) (  -0.04,-136.84)   48.58                80
 09/03/2022   23:02:24   (  -0.05,-137.23) (  -0.20,-137.78)   64.16                80
 09/04/2022   22:46:39   (  -0.05,-137.21) (   0.85,-133.33)  442.05                80