Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2025 5 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/30/2025   10:53:58   (   0.15,  61.47) (   0.45,  62.71)  142.58                80
 05/31/2025   23:12:57   (  -0.17,  61.49) (   0.74,  57.52)  452.30                80
 06/01/2025   22:56:48   (  -0.16,  61.48) (  -0.29,  62.10)   70.36                80
 06/04/2025   10:59:49   (   0.17,  61.41) (   0.20,  61.42)    3.46                80
 06/06/2025   22:59:59   (  -0.19,  61.42) (  -0.04,  60.80)   70.40                80
 06/07/2025   22:43:49   (  -0.18,  61.41) (  -1.07,  65.37)  451.75                80
 06/09/2025   11:02:58   (   0.21,  61.36) (  -0.08,  60.14)  139.94                80
 06/10/2025   10:46:49   (   0.20,  61.36) (   0.95,  64.71)  381.80                80
 06/11/2025   23:05:49   (  -0.23,  61.39) (   0.18,  59.51)  214.79                80