Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 9 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)
 09/09/2022   10:10:21   (   0.35,-127.77) (  -0.34,-124.80)  339.38                80
 09/10/2022   22:32:47   (  -0.34,-127.68) (  -0.92,-130.19)  286.82                80
 09/11/2022   22:17:01   (  -0.35,-127.66) (   0.07,-125.73)  219.47                80
 09/13/2022   10:39:19   (   0.33,-127.68) (   1.13,-131.10)  390.77                80
 09/14/2022   10:18:13   (   0.34,-127.65) (   0.14,-126.64)  114.70                80
 09/16/2022   22:22:14   (  -0.33,-127.52) (  -0.33,-127.59)    7.91                80
 09/17/2022   22:06:28   (  -0.33,-127.49) (   0.67,-123.13)  497.78                80
 09/19/2022   10:28:46   (   0.31,-127.51) (   0.55,-128.50)  113.41                80
 09/20/2022   10:07:40   (   0.32,-127.47) (  -0.45,-124.04)  391.23                80
 09/21/2022   22:30:06   (  -0.30,-127.35) (  -0.77,-129.44)  238.53                80
 09/22/2022   22:14:20   (  -0.30,-127.32) (   0.23,-124.98)  266.55                80