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

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/15/2025   22:41:31   (   0.06,  61.34) (  -0.67,  64.63)  374.49                80
 04/17/2025   11:00:42   (  -0.05,  61.38) (  -0.51,  59.39)  227.40                80
 04/18/2025   10:44:33   (  -0.05,  61.40) (   0.51,  63.96)  291.79                80
 04/19/2025   23:03:36   (   0.04,  61.40) (   0.63,  58.75)  301.53                80
 04/20/2025   22:47:27   (   0.05,  61.41) (  -0.40,  63.32)  217.70                80
 04/22/2025   11:06:37   (  -0.03,  61.46) (  -0.77,  58.08)  384.48                80
 04/23/2025   10:50:28   (  -0.04,  61.47) (   0.20,  62.66)  134.46                80
 04/24/2025   23:09:29   (   0.03,  61.48) (   0.97,  57.46)  459.77                80
 04/25/2025   22:53:21   (   0.03,  61.50) (  -0.06,  62.02)   59.17                80
 04/28/2025   10:53:43   (  -0.02,  61.57) (  -0.05,  61.35)   25.25                80
 04/29/2025   10:37:34   (  -0.03,  61.60) (   0.99,  65.91)  492.81                80