Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 3 17.  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) (  -0.59,-124.82)  412.21                80
 03/18/2021   07:10:51   (  -0.16,-128.37) (  -0.51,-130.02)  186.74                80
 03/20/2021   06:55:58   (  -0.15,-128.37) (   0.11,-127.06)  149.13                80
 03/20/2021   19:17:13   (   0.15,-128.45) (   0.93,-132.22)  429.28                80
 03/22/2021   06:43:45   (  -0.14,-128.36) (   0.74,-124.10)  484.31                80
 03/22/2021   19:05:00   (   0.14,-128.44) (   0.30,-129.27)   94.17                80
 03/24/2021   18:55:28   (   0.14,-128.42) (  -0.32,-126.31)  240.45                80
 03/25/2021   07:16:50   (  -0.13,-128.35) (  -0.83,-131.49)  358.29                80
 03/27/2021   07:04:37   (  -0.13,-128.33) (  -0.19,-128.53)   24.14                80
 03/29/2021   06:49:44   (  -0.14,-128.30) (   0.45,-125.58)  309.74                80
 03/29/2021   19:10:59   (   0.13,-128.36) (   0.66,-130.73)  269.97                80