Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 7 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/05/2023   13:43:54   (  -0.29,-172.91) (  -0.11,-173.75)   94.96                80
 07/08/2023   01:45:30   (   0.29,-175.51) (   0.45,-174.83)   76.88                80
 07/09/2023   14:10:37   (  -0.32,-177.07) (   0.42, 179.71)  367.06                80
 07/10/2023   13:49:38   (  -0.30,-178.09) (  -0.78,-175.88)  251.61                80
 07/12/2023   02:14:53   (   0.33,-179.66) (  -0.07, 178.62)  196.27                80
 07/13/2023   01:53:53   (   0.31, 179.33) (   1.14,-176.97)  422.26                80
 07/14/2023   14:19:01   (  -0.34, 177.77) (  -0.28, 177.57)   22.67                80
 07/16/2023   02:41:36   (   0.37, 176.22) (  -0.57, 172.08)  471.70                80
 07/17/2023   02:20:36   (   0.35, 175.20) (   0.64, 176.49)  146.41                80
 07/18/2023   14:45:44   (  -0.38, 173.64) (   0.21, 171.03)  298.36                80