Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 2 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/01/2022   22:03:01   (   0.02,-128.29) (   0.90,-124.35)  448.36                80
 02/03/2022   10:25:23   (  -0.02,-128.25) (   0.34,-129.74)  170.18                80
 02/04/2022   10:04:20   (  -0.02,-128.24) (  -0.68,-125.29)  335.56                80
 02/05/2022   22:26:50   (   0.02,-128.23) (  -0.52,-130.72)  282.88                80
 02/06/2022   22:11:06   (   0.02,-128.22) (   0.44,-126.26)  222.83                80
 02/08/2022   10:33:27   (  -0.01,-128.18) (   0.80,-131.65)  395.84                80
 02/09/2022   10:12:25   (  -0.01,-128.17) (  -0.23,-127.21)  109.59                80
 02/11/2022   22:16:31   (  -0.01,-128.13) (   0.00,-128.18)    5.26                80
 02/12/2022   22:00:47   (  -0.01,-128.11) (   0.97,-123.72)  499.94                80
 02/14/2022   10:23:10   (   0.00,-128.06) (   0.21,-129.12)  120.15                80