Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 3 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 03/20/2021   06:55:58   (  -0.15,-128.37) (   0.12,-127.06)  149.20                80
 03/20/2021   19:17:13   (   0.15,-128.45) (   0.93,-132.23)  429.18                80
 03/22/2021   06:43:45   (  -0.15,-128.36) (   0.74,-124.10)  484.36                80
 03/22/2021   19:05:01   (   0.14,-128.44) (   0.30,-129.27)   94.09                80
 03/24/2021   18:55:28   (   0.14,-128.42) (  -0.33,-126.31)  240.54                80
 03/25/2021   07:16:50   (  -0.13,-128.35) (  -0.82,-131.49)  358.25                80
 03/27/2021   07:04:37   (  -0.14,-128.33) (  -0.19,-128.53)   24.12                80
 03/29/2021   06:49:44   (  -0.14,-128.30) (   0.44,-125.58)  309.73                80
 03/29/2021   19:10:59   (   0.13,-128.36) (   0.66,-130.73)  269.95                80
 03/31/2021   19:01:26   (   0.13,-128.33) (   0.02,-127.78)   63.14                80
 04/02/2021   18:49:13   (   0.13,-128.30) (  -0.62,-124.82)  395.41                80