Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 3 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 03/11/2021   07:04:50   (  -0.16,-128.33) (  -0.22,-128.53)   23.25                80
 03/13/2021   06:49:58   (  -0.16,-128.35) (   0.45,-125.58)  314.95                80
 03/13/2021   19:11:13   (   0.16,-128.44) (   0.66,-130.74)  261.80                80
 03/15/2021   19:01:40   (   0.16,-128.45) (   0.04,-127.78)   76.21                80
 03/17/2021   18:49:28   (   0.15,-128.47) (  -0.63,-124.83)  413.58                80
 03/18/2021   07:10:50   (  -0.15,-128.39) (  -0.52,-130.01)  185.50                80
 03/20/2021   06:55:59   (  -0.15,-128.39) (   0.16,-127.07)  150.98                80
 03/20/2021   19:17:13   (   0.15,-128.47) (   0.95,-132.22)  426.98                80
 03/22/2021   06:43:46   (  -0.14,-128.39) (   0.78,-124.11)  486.70                80
 03/22/2021   19:05:00   (   0.14,-128.46) (   0.33,-129.26)   91.35                80