Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 1 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/19/2022   10:01:07   (  -0.04,-128.36) (  -1.02,-124.00)  497.12                80
 01/20/2022   22:20:57   (   0.04,-128.36) (  -0.21,-129.42)  120.97                80
 01/21/2022   22:05:14   (   0.04,-128.36) (   0.80,-124.97)  386.09                80
 01/23/2022   10:27:36   (  -0.05,-128.35) (   0.43,-130.36)  229.37                80
 01/24/2022   10:06:33   (  -0.05,-128.35) (  -0.58,-125.92)  277.29                80
 01/25/2022   22:29:02   (   0.05,-128.34) (  -0.63,-131.34)  341.82                80
 01/26/2022   22:13:20   (   0.04,-128.33) (   0.39,-126.90)  164.53                80
 01/28/2022   10:35:41   (  -0.04,-128.32) (   0.86,-132.28)  451.97                80
 01/29/2022   10:14:39   (  -0.03,-128.30) (  -0.16,-127.84)   53.79                80
 01/31/2022   22:18:45   (   0.02,-128.27) (  -0.08,-128.81)   61.32                80
 02/01/2022   22:03:01   (   0.02,-128.25) (   0.88,-124.35)  444.24                80