Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2025 7 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/13/2025   22:12:09   (  -0.01,-104.71) (  -0.32,-106.20)  169.09                80
 07/14/2025   21:55:59   (  -0.01,-104.71) (   0.68,-101.62)  352.45                80
 07/16/2025   10:17:38   (   0.01,-104.72) (   0.51,-106.81)  238.90                80
 07/17/2025   09:56:08   (   0.02,-104.72) (  -0.55,-102.24)  282.38                80
 07/18/2025   22:17:56   (  -0.02,-104.71) (  -0.62,-107.47)  313.72                80
 07/19/2025   22:01:45   (  -0.02,-104.71) (   0.38,-102.89)  207.57                80
 07/21/2025   10:23:25   (   0.03,-104.71) (   0.81,-108.07)  383.96                80
 07/22/2025   10:01:55   (   0.03,-104.71) (  -0.26,-103.51)  137.04                80
 07/23/2025   22:23:41   (  -0.04,-104.69) (  -0.96,-108.72)  459.53                80
 07/24/2025   22:07:32   (  -0.04,-104.69) (   0.10,-104.16)   61.91                80