Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 5 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/18/2022   22:51:17   (   0.01,-137.19) (   0.28,-136.10)  125.09                80
 05/20/2022   11:16:15   (  -0.01,-137.19) (   0.98,-141.47)  488.44                80
 05/21/2022   10:55:11   (  -0.01,-137.18) (  -0.06,-137.02)   18.69                80
 05/23/2022   22:59:14   (   0.00,-137.16) (  -0.17,-137.98)   92.87                80
 05/24/2022   22:43:30   (   0.00,-137.15) (   0.81,-133.52)  414.27                80
 05/26/2022   11:05:49   (  -0.00,-137.15) (   0.40,-138.90)  199.69                80
 05/27/2022   10:44:45   (  -0.00,-137.14) (  -0.58,-134.44)  307.10                80
 05/28/2022   23:07:12   (   0.00,-137.11) (  -0.61,-139.85)  312.37                80
 05/29/2022   22:51:27   (   0.00,-137.10) (   0.38,-135.40)  194.07                80
 05/31/2022   11:13:47   (  -0.00,-137.08) (   0.84,-140.78)  421.14                80