Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 7 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/10/2022   10:34:09   (  -0.23,-128.46) (   0.40,-131.22)  315.57                80
 07/11/2022   10:18:25   (  -0.22,-128.44) (  -0.61,-126.77)  191.46                80
 07/12/2022   22:38:11   (   0.25,-128.41) (  -0.62,-132.17)  430.07                80
 07/13/2022   22:22:26   (   0.24,-128.39) (   0.39,-127.72)   76.89                80
 07/16/2022   10:23:40   (  -0.26,-128.37) (  -0.21,-128.64)   30.39                80
 07/17/2022   10:07:55   (  -0.24,-128.36) (  -1.17,-124.17)  476.41                80
 07/18/2022   22:27:42   (   0.27,-128.31) (  -0.01,-129.59)  145.56                80
 07/19/2022   22:11:57   (   0.26,-128.30) (   0.95,-125.13)  361.39                80
 07/21/2022   10:31:35   (  -0.29,-128.30) (   0.23,-130.50)  252.41                80
 07/22/2022   10:15:50   (  -0.28,-128.28) (  -0.79,-126.05)  253.94                80