Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2025 5 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/16/2025   22:55:23   (  -0.07,  61.71) (   0.02,  61.41)   35.09                80
 05/17/2025   22:39:14   (  -0.06,  61.70) (  -1.05,  65.97)  487.92                80
 05/19/2025   10:58:24   (   0.08,  61.65) (  -0.10,  60.73)  104.11                80
 05/20/2025   10:42:15   (   0.07,  61.64) (   0.92,  65.30)  418.72                80
 05/21/2025   23:01:15   (  -0.10,  61.64) (   0.23,  60.11)  174.43                80
 05/22/2025   22:45:06   (  -0.08,  61.63) (  -0.79,  64.68)  348.19                80
 05/24/2025   11:04:15   (   0.11,  61.59) (  -0.40,  59.45)  244.49                80
 05/25/2025   10:48:07   (   0.10,  61.58) (   0.67,  64.01)  277.61                80
 05/26/2025   23:07:06   (  -0.13,  61.59) (   0.52,  58.82)  316.97                80
 05/27/2025   22:50:57   (  -0.13,  61.59) (  -0.55,  63.38)  204.70                80
 05/29/2025   11:10:07   (   0.15,  61.56) (  -0.63,  58.15)  389.07                80
 05/30/2025   10:53:57   (   0.14,  61.56) (   0.40,  62.72)  132.52                80