Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2025 6 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/10/2025   09:53:11   (   0.01,-104.73) (  -0.49,-102.48)  256.89                80
 06/11/2025   22:15:01   (  -0.01,-104.73) (  -0.66,-107.71)  339.08                80
 06/12/2025   21:58:51   (  -0.00,-104.74) (   0.37,-103.14)  182.84                80
 06/14/2025   10:20:30   (   0.00,-104.77) (   0.81,-108.33)  406.56                80
 06/15/2025   09:59:01   (  -0.00,-104.77) (  -0.23,-103.76)  115.23                80
 06/16/2025   22:20:49   (  -0.00,-104.77) (  -0.97,-108.99)  480.75                80
 06/17/2025   22:04:40   (  -0.00,-104.78) (   0.07,-104.42)   41.45                80
 06/20/2025   10:07:30   (   0.00,-104.82) (   0.08,-105.04)   25.64                80
 06/21/2025   09:46:01   (  -0.00,-104.82) (  -1.02,-100.48)  496.34                80
 06/22/2025   22:07:48   (   0.00,-104.82) (  -0.21,-105.69)  100.01                80