Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2025 10 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)
 10/19/2025   11:18:11   (   0.09,  61.48) (  -0.09,  60.60)   99.75                80
 10/20/2025   10:56:41   (   0.14,  61.48) (   0.99,  65.17)  420.67                80
 10/21/2025   23:20:56   (  -0.05,  61.45) (   0.28,  60.02)  163.38                80
 10/22/2025   22:59:26   (  -0.10,  61.46) (  -0.80,  64.58)  355.65                80
 10/24/2025   11:23:50   (   0.01,  61.55) (  -0.46,  59.39)  245.41                80
 10/25/2025   11:02:20   (   0.06,  61.56) (   0.62,  63.96)  274.25                80
 10/26/2025   23:26:35   (   0.03,  61.52) (   0.65,  58.80)  309.55                80
 10/27/2025   23:05:05   (  -0.02,  61.54) (  -0.44,  63.37)  208.74                80
 10/29/2025   11:29:28   (  -0.07,  61.65) (  -0.85,  58.19)  394.51                80
 10/30/2025   11:07:57   (  -0.02,  61.66) (   0.24,  62.75)  124.57                80