Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 7 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/17/2023   19:15:32   (   0.01, -75.20) (  -0.44, -77.06)  213.25                80
 07/18/2023   18:59:50   (   0.01, -75.20) (   0.59, -72.62)  294.35                80
 07/20/2023   07:22:11   (  -0.01, -75.19) (   0.59, -78.00)  319.18                80
 07/21/2023   07:01:08   (  -0.01, -75.20) (  -0.38, -73.54)  188.90                80
 07/22/2023   19:23:37   (   0.01, -75.21) (  -0.82, -78.95)  426.82                80
 07/23/2023   19:07:54   (   0.01, -75.21) (   0.16, -74.49)   81.70                80
 07/26/2023   07:11:51   (  -0.01, -75.23) (   0.03, -75.42)   21.82                80
 07/27/2023   06:50:48   (  -0.00, -75.23) (  -0.95, -70.96)  486.91                80
 07/28/2023   19:13:17   (  -0.00, -75.25) (  -0.24, -76.37)  128.18                80
 07/29/2023   18:57:34   (  -0.00, -75.26) (   0.74, -71.92)  380.60                80