Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2019 4 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 04/30/2019   07:12:25   (   0.09,-128.04) (  -0.36,-130.10)  235.12                80
 05/02/2019   06:57:34   (   0.09,-128.09) (   0.28,-127.15)  106.80                80
 05/02/2019   19:18:50   (  -0.09,-128.14) (   0.80,-132.31)  475.19                80
 05/04/2019   06:45:23   (   0.09,-128.14) (   0.92,-124.20)  448.18                80
 05/04/2019   19:06:39   (  -0.09,-128.18) (   0.15,-129.36)  133.91                80
 05/06/2019   18:57:08   (  -0.10,-128.22) (  -0.49,-126.41)  206.58                80
 05/07/2019   07:18:32   (   0.10,-128.21) (  -0.62,-131.60)  385.56                80
 05/09/2019   07:06:21   (   0.10,-128.24) (   0.04,-128.65)   46.29                80
 05/11/2019   06:51:29   (   0.11,-128.26) (   0.64,-125.69)  292.46                80
 05/11/2019   19:12:44   (  -0.11,-128.29) (   0.44,-130.85)  290.53                80
 05/13/2019   19:00:34   (  -0.11,-128.32) (  -0.23,-127.90)   48.01                80