Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2025 6 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)
 06/30/2025   11:07:25   (   0.34,  61.24) (  -0.06,  59.58)  189.86                80
 07/01/2025   10:51:16   (   0.33,  61.24) (   0.99,  64.15)  331.84                80
 07/02/2025   23:10:15   (  -0.35,  61.29) (   0.20,  58.96)  265.82                80
 07/03/2025   22:54:05   (  -0.35,  61.29) (  -0.85,  63.53)  255.36                80
 07/05/2025   11:13:14   (   0.37,  61.25) (  -0.29,  58.30)  336.24                80
 07/06/2025   10:57:04   (   0.36,  61.25) (   0.76,  62.87)  184.78                80
 07/07/2025   23:16:03   (  -0.38,  61.31) (   0.44,  57.68)  413.62                80
 07/08/2025   22:59:54   (  -0.38,  61.32) (  -0.62,  62.25)  106.66                80
 07/10/2025   11:19:01   (   0.40,  61.29) (  -0.57,  57.03)  486.60                80
 07/11/2025   11:02:52   (   0.40,  61.30) (   0.49,  61.59)   33.74                80