Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2020 6 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 06/25/2020   18:56:43   (   0.05,-127.97) (  -0.32,-126.31)  189.18                80
 06/26/2020   07:18:07   (  -0.04,-128.00) (  -0.80,-131.50)  398.26                80
 06/28/2020   07:05:56   (  -0.04,-128.06) (  -0.15,-128.55)   55.83                80
 06/30/2020   06:51:05   (  -0.04,-128.11) (   0.51,-125.59)  286.24                80
 06/30/2020   19:12:20   (   0.03,-128.10) (   0.62,-130.74)  300.62                80
 07/02/2020   19:02:49   (   0.04,-128.15) (  -0.04,-127.79)   40.86                80
 07/04/2020   18:50:38   (   0.04,-128.19) (  -0.70,-124.84)  381.83                80
 07/05/2020   07:12:02   (  -0.03,-128.23) (  -0.42,-130.03)  205.22                80
 07/07/2020   06:57:11   (  -0.03,-128.26) (   0.25,-127.08)  135.27                80
 07/07/2020   19:18:26   (   0.02,-128.25) (   0.88,-132.23)  452.86                80