Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2025 6 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)
 06/17/2025   22:55:29   (  -0.25,  61.33) (  -0.60,  62.80)  167.62                80
 06/19/2025   11:14:37   (   0.28,  61.28) (  -0.58,  57.57)  423.08                80
 06/20/2025   10:58:28   (   0.27,  61.27) (   0.46,  62.14)   98.83                80
 06/21/2025   23:17:27   (  -0.29,  61.32) (   0.72,  56.95)  498.21                80
 06/22/2025   23:01:18   (  -0.29,  61.32) (  -0.32,  61.52)   23.00                80
 06/25/2025   11:01:36   (   0.31,  61.28) (   0.20,  60.86)   48.35                80
 06/26/2025   10:45:27   (   0.30,  61.29) (   1.25,  65.43)  472.68                80
 06/27/2025   23:04:26   (  -0.33,  61.33) (  -0.06,  60.24)  125.08                80
 06/28/2025   22:48:17   (  -0.32,  61.34) (  -1.11,  64.81)  395.89                80
 06/30/2025   11:07:25   (   0.34,  61.30) (  -0.03,  59.58)  196.41                80
 07/01/2025   10:51:15   (   0.33,  61.30) (   0.97,  64.16)  324.83                80