Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 1 31.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 02/02/2021   06:46:58   (   0.07,-127.48) (   0.78,-124.11)  382.63                80
 02/02/2021   19:05:34   (  -0.11,-127.51) (   0.26,-129.28)  200.99                80
 02/04/2021   18:56:01   (  -0.11,-127.43) (  -0.35,-126.32)  126.62                80
 02/05/2021   07:14:45   (   0.15,-127.35) (  -0.75,-131.51)  473.06                80
 02/06/2021   18:43:48   (  -0.10,-127.34) (  -0.96,-123.36)  453.58                80
 02/07/2021   07:02:32   (   0.14,-127.27) (  -0.14,-128.55)  146.20                80
 02/09/2021   06:52:59   (   0.14,-127.17) (   0.48,-125.59)  180.14                80
 02/09/2021   19:11:35   (  -0.18,-127.21) (   0.56,-130.76)  403.53                80
 02/11/2021   18:59:22   (  -0.17,-127.11) (  -0.06,-127.80)   77.18                80
 02/13/2021   18:49:48   (  -0.17,-127.02) (  -0.62,-124.82)  249.27                80
 02/14/2021   07:08:32   (   0.21,-126.94) (  -0.47,-130.02)  350.93                80