Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2025 1 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/12/2025   10:44:48   (   0.03,  61.52) (  -0.12,  60.96)   64.50                80
 01/13/2025   10:28:44   (   0.02,  61.53) (   0.90,  65.51)  453.23                80
 01/14/2025   22:50:32   (  -0.02,  61.40) (   0.22,  60.26)  129.36                80
 01/15/2025   22:29:07   (  -0.01,  61.41) (  -0.80,  64.81)  388.06                80
 01/17/2025   10:51:04   (   0.02,  61.57) (  -0.41,  59.55)  229.11                80
 01/18/2025   10:34:59   (   0.02,  61.58) (   0.61,  64.10)  288.55                80
 01/19/2025   22:56:47   (  -0.02,  61.45) (   0.55,  58.87)  293.67                80
 01/20/2025   22:35:22   (  -0.02,  61.46) (  -0.48,  63.42)  223.67                80
 01/22/2025   10:57:17   (   0.01,  61.63) (  -0.77,  58.17)  394.14                80
 01/23/2025   10:41:13   (   0.00,  61.64) (   0.27,  62.72)  123.10                80