Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 6 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/29/2022   10:36:42   (  -0.17,-128.49) (   0.62,-131.93)  392.85                80
 06/30/2022   10:20:57   (  -0.15,-128.48) (  -0.39,-127.47)  115.39                80
 07/02/2022   22:24:59   (   0.17,-128.47) (   0.18,-128.43)    5.11                80
 07/05/2022   10:26:13   (  -0.18,-128.47) (   0.03,-129.35)   99.97                80
 07/06/2022   10:10:28   (  -0.17,-128.47) (  -0.99,-124.89)  407.85                80
 07/07/2022   22:30:15   (   0.20,-128.44) (  -0.24,-130.30)  211.94                80
 07/08/2022   22:14:30   (   0.19,-128.44) (   0.78,-125.84)  295.61                80
 07/10/2022   10:34:09   (  -0.23,-128.43) (   0.43,-131.22)  318.68                80
 07/11/2022   10:18:24   (  -0.22,-128.42) (  -0.59,-126.77)  188.00                80