Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 5 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/23/2022   10:20:28   (   0.05,-127.73) (   0.01,-127.64)   10.48                80
 05/25/2022   22:21:51   (  -0.04,-127.82) (  -0.22,-128.60)   89.19                80
 05/26/2022   22:06:06   (  -0.05,-127.86) (   0.77,-124.14)  423.25                80
 05/28/2022   10:25:46   (   0.03,-127.92) (   0.38,-129.54)  183.76                80
 05/29/2022   10:10:02   (   0.04,-127.96) (  -0.61,-125.08)  328.07                80
 05/30/2022   22:29:49   (  -0.01,-128.00) (  -0.57,-130.50)  285.03                80
 05/31/2022   22:14:05   (  -0.02,-128.03) (   0.42,-126.04)  226.73                80
 06/02/2022   10:33:45   (  -0.01,-128.09) (   0.73,-131.43)  380.91                80
 06/03/2022   10:18:01   (   0.00,-128.12) (  -0.27,-126.98)  130.38                80
 06/04/2022   22:37:47   (   0.02,-128.14) (  -0.95,-132.38)  483.96                80
 06/05/2022   22:22:02   (   0.01,-128.17) (   0.05,-127.93)   27.48                80