Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 8 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/12/2022   10:28:50   (   0.40,-128.08) (   0.58,-128.88)   91.81                80
 08/13/2022   10:07:46   (   0.39,-128.07) (  -0.46,-124.43)  416.11                80
 08/14/2022   22:30:12   (  -0.40,-128.05) (  -0.80,-129.83)  202.73                80
 08/15/2022   22:14:27   (  -0.40,-128.06) (   0.23,-125.38)  306.06                80
 08/17/2022   10:36:44   (   0.41,-128.10) (   1.01,-130.74)  301.94                80
 08/18/2022   10:15:39   (   0.40,-128.09) (  -0.02,-126.29)  205.79                80
 08/19/2022   22:38:06   (  -0.40,-128.05) (  -1.23,-131.69)  415.33                80
 08/20/2022   22:22:21   (  -0.40,-128.05) (  -0.19,-127.24)   92.78                80
 08/23/2022   10:26:13   (   0.39,-128.08) (   0.40,-128.15)    8.20                80
 08/24/2022   10:05:08   (   0.39,-128.07) (  -0.58,-123.69)  498.82                80
 08/25/2022   22:27:34   (  -0.39,-128.01) (  -0.66,-129.09)  124.08                80