Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 3 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 03/17/2021   18:49:27   (   0.16,-128.45) (  -0.60,-124.82)  412.22                80
 03/18/2021   07:10:51   (  -0.15,-128.37) (  -0.49,-130.02)  186.75                80
 03/20/2021   06:55:58   (  -0.15,-128.37) (   0.13,-127.06)  149.17                80
 03/20/2021   19:17:13   (   0.15,-128.45) (   0.98,-132.22)  429.18                80
 03/22/2021   06:43:45   (  -0.14,-128.36) (   0.76,-124.10)  484.40                80
 03/22/2021   19:05:01   (   0.14,-128.44) (   0.29,-129.27)   94.06                80
 03/24/2021   18:55:27   (   0.14,-128.42) (  -0.28,-126.30)  240.67                80
 03/25/2021   07:16:51   (  -0.13,-128.35) (  -0.81,-131.50)  358.11                80
 03/27/2021   07:04:38   (  -0.13,-128.33) (  -0.17,-128.54)   23.89                80
 03/29/2021   06:49:45   (  -0.14,-128.30) (   0.47,-125.58)  310.04                80
 03/29/2021   19:10:59   (   0.13,-128.37) (   0.64,-130.74)  269.61                80