Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 2 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/09/2022   10:12:25   (  -0.02,-128.15) (  -0.24,-127.21)  107.22                80
 02/11/2022   22:16:30   (  -0.01,-128.10) (  -0.05,-128.16)    8.60                80
 02/12/2022   22:00:47   (  -0.01,-128.07) (   0.97,-123.72)  496.05                80
 02/14/2022   10:23:09   (   0.00,-128.02) (   0.25,-129.11)  124.26                80
 02/15/2022   10:02:06   (   0.00,-127.99) (  -0.77,-124.67)  379.66                80
 02/16/2022   22:24:35   (   0.00,-127.95) (  -0.47,-130.08)  242.37                80
 02/17/2022   22:08:51   (   0.00,-127.92) (   0.49,-125.62)  261.64                80
 02/19/2022   10:31:12   (  -0.00,-127.87) (   0.73,-131.01)  358.79                80
 02/20/2022   10:10:10   (  -0.00,-127.84) (  -0.30,-126.57)  144.79                80
 02/21/2022   22:32:38   (   0.00,-127.79) (  -0.94,-131.99)  478.43                80
 02/22/2022   22:16:55   (   0.01,-127.75) (   0.03,-127.53)   24.97                80