Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 6 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/14/2022   10:15:31   (  -0.05,-128.34) (  -0.51,-126.28)  234.77                80
 06/15/2022   22:35:18   (   0.08,-128.35) (  -0.66,-131.70)  381.48                80
 06/16/2022   22:19:34   (   0.07,-128.37) (   0.34,-127.25)  128.45                80
 06/18/2022   10:39:13   (  -0.10,-128.40) (   0.85,-132.63)  481.92                80
 06/19/2022   10:23:29   (  -0.08,-128.41) (  -0.15,-128.17)   27.77                80
 06/21/2022   22:24:51   (   0.10,-128.43) (  -0.06,-129.13)   79.16                80
 06/22/2022   22:09:06   (   0.08,-128.45) (   0.94,-124.67)  430.68                80
 06/24/2022   10:28:45   (  -0.12,-128.48) (   0.25,-130.05)  179.76                80
 06/25/2022   10:13:01   (  -0.10,-128.49) (  -0.76,-125.60)  329.45                80
 06/26/2022   22:32:47   (   0.14,-128.48) (  -0.46,-131.01)  288.85                80
 06/27/2022   22:17:03   (   0.13,-128.49) (   0.55,-126.55)  220.26                80