Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 1 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/22/2023   07:11:08   (  -0.04, -75.19) (   0.51, -77.69)  284.47                80
 01/23/2023   06:50:08   (  -0.04, -75.20) (  -0.46, -73.24)  222.36                80
 01/24/2023   19:12:42   (   0.04, -75.21) (  -0.73, -78.68)  395.13                80
 01/25/2023   18:57:02   (   0.04, -75.23) (   0.25, -74.24)  112.45                80
 01/28/2023   06:58:26   (  -0.04, -75.26) (  -0.04, -75.19)    6.96                80
 01/30/2023   19:02:39   (   0.03, -75.30) (  -0.20, -76.18)  101.03                80
 01/31/2023   18:47:00   (   0.03, -75.32) (   0.85, -71.75)  407.52                80
 02/02/2023   07:09:24   (   0.01, -75.34) (   0.40, -77.14)  204.23                80
 02/03/2023   06:48:24   (   0.02, -75.36) (  -0.60, -72.70)  304.58                80
 02/04/2023   19:10:56   (  -0.01, -75.40) (  -0.65, -78.12)  310.49                80