Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2024 4 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)
 04/17/2024   22:16:58   (   0.08,  61.27) (  -0.26,  62.76)  170.74                80
 04/19/2024   10:36:35   (  -0.07,  61.32) (  -0.95,  57.41)  445.15                80
 04/20/2024   10:20:44   (  -0.07,  61.33) (   0.04,  61.91)   65.89                80
 04/22/2024   22:21:41   (   0.07,  61.32) (   0.13,  61.08)   27.80                80
 04/23/2024   22:05:49   (   0.07,  61.33) (  -0.87,  65.57)  483.10                80
 04/25/2024   10:25:27   (  -0.06,  61.39) (  -0.32,  60.21)  133.61                80
 04/26/2024   10:09:35   (  -0.06,  61.41) (   0.69,  64.71)  376.60                80
 04/27/2024   22:29:02   (   0.04,  61.41) (   0.50,  59.39)  229.88                80
 04/28/2024   22:13:11   (   0.05,  61.43) (  -0.51,  63.88)  280.19                80
 04/30/2024   10:32:47   (  -0.04,  61.49) (  -0.71,  58.54)  337.22                80