Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2025 1 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/21/2025   19:46:48   (   0.02, -75.19) (   0.36, -73.73)  166.55                80
 01/23/2025   08:08:34   (  -0.00, -75.20) (   0.85, -78.95)  427.66                80
 01/24/2025   07:47:10   (   0.01, -75.20) (  -0.19, -74.40)   91.37                80
 01/26/2025   19:53:01   (  -0.00, -75.20) (   0.00, -75.11)   10.05                80
 01/29/2025   07:56:02   (  -0.00, -75.22) (   0.13, -75.78)   64.67                80
 01/30/2025   07:34:38   (  -0.00, -75.22) (  -0.92, -71.24)  454.71                80
 01/31/2025   19:56:33   (   0.00, -75.23) (  -0.29, -76.49)  144.59                80
 02/01/2025   19:40:29   (   0.00, -75.24) (   0.78, -71.95)  375.63                80
 02/03/2025   08:02:15   (  -0.01, -75.27) (   0.40, -77.17)  216.41                80