Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 9 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/06/2022   22:09:09   (  -0.36,-127.78) (   0.49,-123.87)  445.14                80
 09/08/2022   10:31:26   (   0.35,-127.80) (   0.71,-129.25)  165.87                80
 09/09/2022   10:10:22   (   0.36,-127.77) (  -0.34,-124.80)  339.67                80
 09/10/2022   22:32:47   (  -0.34,-127.68) (  -0.93,-130.19)  287.01                80
 09/11/2022   22:17:02   (  -0.35,-127.66) (   0.11,-125.74)  219.25                80
 09/13/2022   10:39:20   (   0.33,-127.68) (   1.10,-131.11)  390.67                80
 09/14/2022   10:18:14   (   0.34,-127.66) (   0.12,-126.65)  114.72                80
 09/16/2022   22:22:15   (  -0.33,-127.52) (  -0.34,-127.59)    8.25                80
 09/17/2022   22:06:30   (  -0.33,-127.49) (   0.64,-123.13)  497.17                80
 09/19/2022   10:28:48   (   0.31,-127.51) (   0.53,-128.51)  113.77                80