Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 7 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/23/2022   22:35:37   (   0.31,-128.23) (  -0.42,-131.45)  367.77                80
 07/24/2022   22:19:52   (   0.31,-128.21) (   0.60,-127.00)  138.24                80
 07/26/2022   10:39:29   (  -0.34,-128.18) (   0.62,-132.37)  478.04                80
 07/27/2022   10:23:45   (  -0.33,-128.15) (  -0.41,-127.92)   27.56                80
 07/29/2022   22:25:07   (   0.35,-128.07) (   0.19,-128.87)   90.59                80
 07/30/2022   22:09:21   (   0.33,-128.04) (   1.17,-124.40)  414.97                80
 08/01/2022   10:28:59   (  -0.36,-128.01) (   0.04,-129.78)  201.44                80
 08/02/2022   10:13:13   (  -0.35,-127.98) (  -0.94,-125.31)  303.61                80
 08/03/2022   22:33:00   (   0.38,-127.91) (  -0.25,-130.73)  320.95                80
 08/04/2022   22:17:15   (   0.37,-127.88) (   0.73,-126.26)  183.94                80