Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2020 6 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)
 06/18/2020   18:50:36   (   0.08,-127.76) (  -0.53,-124.81)  334.84                80
 06/19/2020   07:12:01   (  -0.07,-127.79) (  -0.53,-130.01)  253.09                80
 06/21/2020   06:57:10   (  -0.07,-127.87) (   0.11,-127.06)   92.21                80
 06/21/2020   19:18:26   (   0.06,-127.88) (   0.96,-132.22)  492.70                80
 06/23/2020   06:44:59   (  -0.07,-127.95) (   0.75,-124.11)  436.76                80
 06/23/2020   19:06:15   (   0.06,-127.96) (   0.31,-129.27)  148.18                80
 06/25/2020   18:56:44   (   0.05,-128.03) (  -0.33,-126.32)  195.84                80
 06/26/2020   07:18:08   (  -0.04,-128.06) (  -0.79,-131.50)  391.60                80
 06/28/2020   07:05:57   (  -0.04,-128.13) (  -0.15,-128.55)   48.04                80
 06/30/2020   06:51:06   (  -0.04,-128.19) (   0.50,-125.60)  295.23                80
 06/30/2020   19:12:21   (   0.04,-128.20) (   0.57,-130.76)  291.04                80