Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2025 6 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/01/2025   09:57:36   (   0.03,-104.72) (  -0.34,-103.00)  196.17                80
 07/02/2025   22:19:24   (  -0.03,-104.72) (  -0.81,-108.23)  399.29                80
 07/03/2025   22:03:14   (  -0.02,-104.73) (   0.25,-103.66)  122.10                80
 07/05/2025   10:24:54   (   0.01,-104.73) (   0.95,-108.85)  469.82                80
 07/06/2025   10:03:24   (   0.00,-104.73) (  -0.11,-104.28)   51.12                80
 07/08/2025   22:06:22   (   0.01,-104.72) (  -0.03,-104.93)   23.88                80
 07/09/2025   21:50:13   (   0.00,-104.72) (   1.03,-100.37)  497.30                80
 07/11/2025   10:11:52   (  -0.00,-104.72) (   0.17,-105.55)   94.77                80
 07/12/2025   09:50:21   (  -0.00,-104.72) (  -0.82,-100.97)  426.28                80
 07/13/2025   22:12:09   (  -0.00,-104.71) (  -0.35,-106.20)  169.70                80