Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 6 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/22/2022   22:09:06   (   0.08,-128.45) (   0.95,-124.67)  431.45                80
 06/24/2022   10:28:45   (  -0.12,-128.47) (   0.23,-130.05)  180.28                80
 06/25/2022   10:13:01   (  -0.11,-128.48) (  -0.78,-125.60)  328.80                80
 06/26/2022   22:32:47   (   0.14,-128.48) (  -0.44,-131.00)  288.65                80
 06/27/2022   22:17:03   (   0.13,-128.48) (   0.57,-126.55)  220.31                80
 06/29/2022   10:36:42   (  -0.17,-128.50) (   0.61,-131.93)  391.88                80
 06/30/2022   10:20:58   (  -0.15,-128.50) (  -0.41,-127.48)  116.59                80
 07/02/2022   22:24:59   (   0.17,-128.48) (   0.21,-128.43)    6.77                80
 07/05/2022   10:26:13   (  -0.18,-128.50) (   0.00,-129.35)   97.69                80