Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 8 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)
 08/13/2023   04:05:30   (  -0.43, 148.00) (   0.21, 150.73)  312.39                80
 08/14/2023   16:30:34   (   0.43, 146.49) (   0.71, 145.30)  135.94                80
 08/15/2023   16:09:34   (   0.42, 145.48) (  -0.53, 149.70)  481.53                80
 08/17/2023   04:32:09   (  -0.43, 143.87) (  -0.36, 144.22)   39.22                80
 08/18/2023   16:57:14   (   0.43, 142.34) (   1.22, 138.77)  407.21                80
 08/19/2023   16:36:14   (   0.42, 141.32) (   0.03, 143.18)  211.17                80
 08/21/2023   05:01:29   (  -0.42, 139.71) (  -0.86, 137.69)  230.83                80
 08/22/2023   04:40:28   (  -0.42, 138.69) (   0.33, 142.10)  388.52                80
 08/23/2023   17:05:34   (   0.42, 137.15) (   0.51, 136.65)   56.93                80
 08/25/2023   05:28:08   (  -0.41, 135.55) (  -1.40, 131.16)  499.67                80
 08/26/2023   05:07:07   (  -0.41, 134.52) (  -0.20, 135.58)  119.85                80