Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 3 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 03/15/2021   19:01:40   (   0.16,-128.45) (  -0.01,-127.79)   75.41                80
 03/17/2021   18:49:27   (   0.16,-128.45) (  -0.62,-124.83)  412.39                80
 03/18/2021   07:10:50   (  -0.15,-128.38) (  -0.53,-130.01)  186.64                80
 03/20/2021   06:55:58   (  -0.15,-128.37) (   0.15,-127.06)  149.44                80
 03/20/2021   19:17:13   (   0.15,-128.45) (   0.95,-132.22)  428.79                80
 03/22/2021   06:43:45   (  -0.14,-128.37) (   0.78,-124.11)  484.78                80
 03/22/2021   19:05:00   (   0.14,-128.44) (   0.33,-129.26)   93.53                80
 03/24/2021   18:55:27   (   0.14,-128.43) (  -0.30,-126.30)  241.25                80
 03/25/2021   07:16:51   (  -0.13,-128.35) (  -0.79,-131.50)  357.57                80
 03/27/2021   07:04:38   (  -0.13,-128.33) (  -0.16,-128.54)   23.36                80