Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2025 4 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/14/2025   22:57:40   (   0.06,  61.33) (   0.35,  60.06)  145.30                80
 04/15/2025   22:41:31   (   0.06,  61.34) (  -0.67,  64.63)  374.37                80
 04/17/2025   11:00:42   (  -0.05,  61.39) (  -0.51,  59.39)  227.91                80
 04/18/2025   10:44:33   (  -0.05,  61.40) (   0.50,  63.96)  291.20                80
 04/19/2025   23:03:35   (   0.04,  61.40) (   0.63,  58.75)  302.02                80
 04/20/2025   22:47:27   (   0.05,  61.41) (  -0.39,  63.32)  217.13                80
 04/22/2025   11:06:37   (  -0.03,  61.46) (  -0.78,  58.08)  385.40                80
 04/23/2025   10:50:28   (  -0.04,  61.48) (   0.20,  62.66)  133.45                80
 04/24/2025   23:09:30   (   0.03,  61.49) (   0.92,  57.44)  460.72                80
 04/25/2025   22:53:21   (   0.03,  61.51) (  -0.06,  62.02)   58.16                80