Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 5 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/18/2023   19:18:31   (   0.01, -75.19) (  -0.77, -78.62)  390.98                80
 05/19/2023   19:02:47   (   0.02, -75.20) (   0.26, -74.17)  117.30                80
 05/21/2023   07:25:07   (  -0.02, -75.20) (   0.95, -79.54)  494.44                80
 05/22/2023   07:04:03   (  -0.03, -75.21) (  -0.08, -75.09)   14.24                80
 05/24/2023   19:08:07   (   0.03, -75.22) (  -0.17, -76.03)   92.76                80
 05/25/2023   18:52:24   (   0.04, -75.23) (   0.86, -71.58)  416.53                80
 05/27/2023   07:14:43   (  -0.04, -75.25) (   0.35, -76.95)  193.61                80
 05/28/2023   06:53:39   (  -0.04, -75.27) (  -0.68, -72.50)  316.10                80
 05/29/2023   19:16:07   (   0.04, -75.29) (  -0.57, -77.90)  297.96                80
 05/30/2023   19:00:23   (   0.04, -75.31) (   0.46, -73.45)  212.15                80