Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 3 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 03/22/2021   06:43:45   (  -0.15,-128.36) (   0.78,-124.11)  484.41                80
 03/22/2021   19:05:00   (   0.14,-128.44) (   0.32,-129.26)   93.96                80
 03/24/2021   18:55:27   (   0.14,-128.42) (  -0.31,-126.31)  240.68                80
 03/25/2021   07:16:51   (  -0.13,-128.35) (  -0.78,-131.50)  358.15                80
 03/27/2021   07:04:37   (  -0.14,-128.33) (  -0.21,-128.53)   24.16                80
 03/29/2021   06:49:44   (  -0.14,-128.30) (   0.43,-125.57)  309.93                80
 03/29/2021   19:11:00   (   0.13,-128.37) (   0.61,-130.74)  269.69                80
 03/31/2021   19:01:26   (   0.13,-128.34) (   0.04,-127.77)   63.49                80
 04/02/2021   18:49:13   (   0.13,-128.30) (  -0.61,-124.82)  395.77                80
 04/03/2021   07:10:37   (  -0.12,-128.23) (  -0.48,-130.02)  202.92                80