Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 7 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/26/2022   10:39:30   (  -0.34,-128.18) (   0.60,-132.37)  478.07                80
 07/27/2022   10:23:44   (  -0.33,-128.15) (  -0.37,-127.91)   27.33                80
 07/29/2022   22:25:06   (   0.34,-128.07) (   0.15,-128.86)   90.40                80
 07/30/2022   22:09:22   (   0.33,-128.04) (   1.18,-124.41)  415.07                80
 08/01/2022   10:28:59   (  -0.36,-128.01) (   0.03,-129.78)  201.79                80
 08/02/2022   10:13:13   (  -0.35,-127.97) (  -0.94,-125.31)  303.20                80
 08/03/2022   22:33:01   (   0.37,-127.91) (  -0.25,-130.73)  321.08                80
 08/04/2022   22:17:15   (   0.36,-127.88) (   0.73,-126.26)  183.74                80
 08/06/2022   10:36:53   (  -0.39,-127.84) (   0.47,-131.64)  433.66                80
 08/07/2022   10:21:07   (  -0.38,-127.79) (  -0.51,-127.17)   70.24                80