Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 5 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/13/2022   10:04:30   (   0.10,-127.79) (  -0.80,-123.87)  447.31                80
 05/14/2022   22:24:17   (  -0.08,-127.75) (  -0.44,-129.28)  174.63                80
 05/15/2022   22:08:34   (  -0.08,-127.72) (   0.59,-124.83)  329.52                80
 05/17/2022   10:28:13   (   0.06,-127.64) (   0.61,-130.21)  292.22                80
 05/18/2022   10:12:29   (   0.07,-127.60) (  -0.37,-125.75)  211.04                80
 05/19/2022   22:32:16   (  -0.05,-127.54) (  -0.85,-131.17)  413.19                80
 05/20/2022   22:16:32   (  -0.06,-127.50) (   0.13,-126.71)   90.25                80
 05/23/2022   10:17:46   (   0.05,-127.38) (   0.09,-127.63)   28.34                80
 05/24/2022   10:02:02   (   0.07,-127.33) (  -0.89,-123.17)  474.84                80
 05/25/2022   22:21:49   (  -0.04,-127.27) (  -0.31,-128.59)  149.78                80
 05/26/2022   22:06:04   (  -0.05,-127.22) (   0.62,-124.11)  353.62                80