Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2025 1 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)
 01/18/2025   10:34:59   (   0.03,  61.55) (   0.61,  64.10)  291.41                80
 01/19/2025   22:56:47   (  -0.03,  61.43) (   0.55,  58.87)  291.41                80
 01/20/2025   22:35:22   (  -0.02,  61.44) (  -0.48,  63.42)  226.07                80
 01/22/2025   10:57:17   (   0.02,  61.59) (  -0.77,  58.17)  390.42                80
 01/23/2025   10:41:13   (   0.00,  61.61) (   0.26,  62.72)  127.14                80
 01/24/2025   23:02:59   (   0.01,  61.50) (   0.94,  57.50)  456.12                80
 01/25/2025   22:41:35   (   0.01,  61.51) (  -0.10,  62.05)   60.59                80
 01/28/2025   10:44:46   (   0.00,  61.70) (  -0.09,  61.34)   41.25                80
 01/29/2025   10:28:41   (   0.00,  61.72) (   0.96,  65.89)  475.15                80
 01/30/2025   22:49:39   (  -0.01,  61.62) (   0.24,  60.67)  109.42                32
 01/31/2025   22:29:03   (  -0.01,  61.64) (  -0.82,  65.21)  406.87                80