Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2025 4 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/18/2025   10:44:33   (  -0.05,  61.39) (   0.51,  63.96)  292.64                80
 04/19/2025   23:03:36   (   0.04,  61.39) (   0.63,  58.75)  300.56                80
 04/20/2025   22:47:27   (   0.05,  61.40) (  -0.40,  63.32)  218.90                80
 04/22/2025   11:06:37   (  -0.03,  61.44) (  -0.77,  58.08)  382.68                80
 04/23/2025   10:50:29   (  -0.04,  61.45) (   0.26,  62.64)  136.49                80
 04/24/2025   23:09:30   (   0.03,  61.46) (   0.92,  57.45)  457.59                80
 04/25/2025   22:53:21   (   0.03,  61.48) (  -0.06,  62.02)   61.61                80
 04/28/2025   10:53:43   (  -0.02,  61.54) (  -0.06,  61.35)   22.02                80
 04/29/2025   10:37:34   (  -0.02,  61.57) (   0.98,  65.91)  496.20                80
 04/30/2025   22:56:34   (   0.00,  61.59) (   0.23,  60.72)   99.56                80