Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 7 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/20/2023   07:22:11   (  -0.01, -75.20) (   0.61, -77.99)  318.84                80
 07/21/2023   07:01:07   (  -0.01, -75.20) (  -0.37, -73.53)  189.25                80
 07/22/2023   19:23:37   (   0.01, -75.21) (  -0.83, -78.95)  426.56                80
 07/23/2023   19:07:53   (   0.01, -75.21) (   0.15, -74.49)   82.00                80
 07/26/2023   07:11:51   (  -0.00, -75.23) (   0.04, -75.41)   21.39                80
 07/27/2023   06:50:48   (  -0.00, -75.24) (  -0.94, -70.96)  487.36                80
 07/28/2023   19:13:17   (  -0.00, -75.25) (  -0.25, -76.37)  127.83                80
 07/29/2023   18:57:33   (  -0.01, -75.26) (   0.73, -71.91)  380.96                80
 07/31/2023   07:19:54   (   0.01, -75.27) (   0.49, -77.29)  230.75                80
 08/01/2023   06:58:51   (   0.01, -75.27) (  -0.56, -72.84)  278.22                80