Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 6 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/24/2022   10:28:45   (  -0.12,-128.47) (   0.25,-130.05)  180.48                80
 06/25/2022   10:13:01   (  -0.11,-128.47) (  -0.76,-125.59)  328.49                80
 06/26/2022   22:32:48   (   0.14,-128.47) (  -0.40,-131.01)  288.88                80
 06/27/2022   22:17:02   (   0.13,-128.48) (   0.55,-126.54)  219.98                80
 06/29/2022   10:36:42   (  -0.17,-128.49) (   0.63,-131.93)  392.65                80
 06/30/2022   10:20:57   (  -0.15,-128.49) (  -0.39,-127.47)  115.68                80
 07/02/2022   22:24:59   (   0.17,-128.48) (   0.18,-128.43)    5.31                80
 07/05/2022   10:26:13   (  -0.18,-128.48) (   0.03,-129.35)   99.17                80
 07/06/2022   10:10:28   (  -0.17,-128.48) (  -0.99,-124.89)  408.75                80
 07/07/2022   22:30:15   (   0.20,-128.45) (  -0.23,-130.30)  211.21                80