Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2020 2 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 02/18/2020   18:54:35   (   0.17,-128.42) (  -0.22,-126.53)  214.94                80
 02/19/2020   07:18:39   (  -0.21,-128.40) (  -0.94,-131.71)  377.96                80
 02/21/2020   07:06:31   (  -0.20,-128.41) (  -0.26,-128.78)   41.47                80
 02/23/2020   06:51:42   (  -0.19,-128.43) (   0.37,-125.84)  295.07                80
 02/23/2020   19:15:37   (   0.23,-128.46) (   0.79,-130.98)  286.89                80
 02/25/2020   19:00:49   (   0.22,-128.48) (   0.10,-128.05)   49.49                80
 02/27/2020   18:48:40   (   0.22,-128.49) (  -0.53,-125.10)  385.37                80
 02/28/2020   07:12:44   (  -0.25,-128.46) (  -0.62,-130.29)  207.90                80
 03/01/2020   06:57:55   (  -0.24,-128.46) (   0.01,-127.35)  127.23                80
 03/01/2020   19:21:51   (   0.26,-128.49) (   1.09,-132.50)  455.36                80