Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 2 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/08/2022   10:33:27   (   0.00,-128.17) (   0.79,-131.65)  396.86                80
 02/09/2022   10:12:25   (   0.01,-128.15) (  -0.23,-127.21)  108.03                80
 02/11/2022   22:16:31   (  -0.00,-128.10) (  -0.00,-128.18)    8.78                80
 02/12/2022   22:00:47   (  -0.00,-128.07) (   0.96,-123.72)  495.78                80
 02/14/2022   10:23:10   (  -0.00,-128.02) (   0.21,-129.12)  124.46                80
 02/15/2022   10:02:06   (  -0.01,-127.99) (  -0.75,-124.66)  379.48                80
 02/16/2022   22:24:34   (   0.01,-127.95) (  -0.50,-130.08)  242.74                80
 02/17/2022   22:08:52   (   0.01,-127.92) (   0.52,-125.63)  261.26                80
 02/19/2022   10:31:13   (  -0.01,-127.87) (   0.70,-131.02)  359.04                80
 02/20/2022   10:10:11   (  -0.01,-127.84) (  -0.32,-126.58)  144.54                80