Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2025 2 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/15/2025   22:50:13   (   0.05,  61.42) (   0.13,  61.10)   36.34                80
 02/16/2025   22:28:48   (   0.05,  61.41) (  -0.91,  65.65)  483.78                80
 02/18/2025   10:53:22   (  -0.05,  61.50) (  -0.28,  60.40)  125.55                80
 02/19/2025   10:31:56   (  -0.05,  61.50) (   0.76,  64.95)  394.26                80
 02/20/2025   22:53:42   (   0.05,  61.38) (   0.44,  59.73)  188.69                80
 02/21/2025   22:37:36   (   0.06,  61.38) (  -0.60,  64.28)  330.77                80
 02/23/2025   10:59:30   (  -0.06,  61.49) (  -0.62,  59.04)  279.48                80
 02/24/2025   10:38:04   (  -0.07,  61.49) (   0.43,  63.59)  239.59                80
 02/25/2025   22:59:49   (   0.07,  61.39) (   0.77,  58.38)  344.57                80
 02/26/2025   22:43:44   (   0.07,  61.40) (  -0.28,  62.92)  174.46                80