Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2025 10 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/21/2025   23:20:56   (  -0.05,  61.44) (   0.28,  60.02)  162.98                80
 10/22/2025   22:59:26   (  -0.10,  61.46) (  -0.80,  64.58)  356.11                80
 10/24/2025   11:23:50   (   0.01,  61.54) (  -0.46,  59.39)  244.67                80
 10/25/2025   11:02:20   (   0.06,  61.55) (   0.63,  63.96)  275.06                80
 10/26/2025   23:26:35   (   0.03,  61.51) (   0.64,  58.80)  308.83                80
 10/27/2025   23:05:04   (  -0.02,  61.54) (  -0.45,  63.37)  209.55                80
 10/29/2025   11:29:28   (  -0.07,  61.64) (  -0.84,  58.18)  393.41                80
 10/30/2025   11:07:56   (  -0.02,  61.65) (   0.20,  62.76)  125.79                80
 10/31/2025   23:32:13   (   0.11,  61.61) (   1.00,  57.59)  457.34                80
 11/01/2025   23:10:41   (   0.06,  61.63) (  -0.04,  62.17)   60.83                80