Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 2 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/12/2022   22:00:47   (  -0.01,-128.07) (   0.96,-123.72)  496.12                80
 02/14/2022   10:23:08   (   0.01,-128.02) (   0.26,-129.10)  124.26                80
 02/15/2022   10:02:06   (   0.01,-127.99) (  -0.76,-124.66)  379.63                80
 02/16/2022   22:24:34   (  -0.00,-127.95) (  -0.49,-130.08)  242.34                80
 02/17/2022   22:08:51   (  -0.00,-127.92) (   0.48,-125.62)  261.63                80
 02/19/2022   10:31:12   (   0.00,-127.87) (   0.74,-131.01)  358.90                80
 02/20/2022   10:10:10   (   0.00,-127.83) (  -0.29,-126.57)  144.60                80
 02/21/2022   22:32:38   (  -0.00,-127.78) (  -0.95,-131.98)  478.62                80
 02/22/2022   22:16:54   (  -0.00,-127.75) (   0.02,-127.53)   24.75                80
 02/25/2022   10:20:53   (  -0.00,-127.64) (   0.16,-128.47)   94.58                80