Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2025 10 18.  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) (  -0.11,  60.60)   99.57                80
 10/20/2025   10:56:41   (   0.14,  61.48) (   0.97,  65.17)  420.84                80
 10/21/2025   23:20:56   (  -0.05,  61.44) (   0.30,  60.02)  163.26                80
 10/22/2025   22:59:26   (  -0.10,  61.46) (  -0.78,  64.59)  355.82                80
 10/24/2025   11:23:50   (   0.01,  61.54) (  -0.48,  59.39)  245.17                80
 10/25/2025   11:02:19   (   0.06,  61.56) (   0.61,  63.96)  274.49                80
 10/26/2025   23:26:35   (   0.03,  61.52) (   0.66,  58.81)  309.33                80
 10/27/2025   23:05:04   (  -0.02,  61.54) (  -0.43,  63.37)  208.99                80
 10/29/2025   11:29:27   (  -0.07,  61.64) (  -0.86,  58.19)  394.17                80
 10/30/2025   11:07:57   (  -0.02,  61.66) (   0.24,  62.75)  124.92                80
 10/31/2025   23:32:12   (   0.11,  61.61) (   1.03,  57.60)  458.12                80