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

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/06/2022   10:30:39   (   0.09,-128.01) (   0.77,-130.90)  329.69                80
 05/07/2022   10:14:56   (   0.10,-127.98) (  -0.26,-126.45)  174.87                80
 05/08/2022   22:34:44   (  -0.09,-127.94) (  -0.94,-131.87)  446.86                80
 05/09/2022   22:19:00   (  -0.10,-127.91) (   0.03,-127.41)   57.85                80
 05/12/2022   10:20:14   (   0.09,-127.82) (   0.19,-128.33)   58.04                80
 05/13/2022   10:04:30   (   0.10,-127.78) (  -0.78,-123.87)  445.99                80
 05/14/2022   22:24:17   (  -0.08,-127.73) (  -0.45,-129.28)  177.08                80
 05/15/2022   22:08:34   (  -0.08,-127.69) (   0.59,-124.83)  326.74                80
 05/17/2022   10:28:13   (   0.06,-127.62) (   0.62,-130.21)  294.87                80
 05/18/2022   10:12:29   (   0.07,-127.58) (  -0.36,-125.76)  208.10                80