Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 7 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/17/2022   10:07:55   (  -0.24,-128.36) (  -1.18,-124.17)  477.20                80
 07/18/2022   22:27:42   (   0.27,-128.33) (   0.00,-129.59)  143.77                80
 07/19/2022   22:11:57   (   0.26,-128.31) (   0.96,-125.12)  363.29                80
 07/21/2022   10:31:35   (  -0.29,-128.30) (   0.21,-130.50)  251.15                80
 07/22/2022   10:15:50   (  -0.28,-128.29) (  -0.81,-126.05)  255.26                80
 07/23/2022   22:35:37   (   0.31,-128.24) (  -0.44,-131.45)  367.43                80
 07/24/2022   22:19:52   (   0.31,-128.22) (   0.59,-127.00)  138.87                80
 07/26/2022   10:39:30   (  -0.34,-128.20) (   0.58,-132.38)  475.88                80
 07/27/2022   10:23:45   (  -0.33,-128.18) (  -0.39,-127.92)   29.81                80
 07/29/2022   22:25:07   (   0.35,-128.09) (   0.17,-128.87)   88.50                80