Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2019 5 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 05/11/2019   06:51:29   (   0.11,-128.29) (   0.65,-125.69)  295.39                80
 05/11/2019   19:12:45   (  -0.11,-128.32) (   0.42,-130.85)  287.73                80
 05/13/2019   19:00:34   (  -0.11,-128.35) (  -0.24,-127.90)   51.65                80
 05/15/2019   18:51:02   (  -0.11,-128.38) (  -0.83,-124.94)  390.71                80
 05/16/2019   07:12:26   (   0.11,-128.37) (  -0.29,-130.13)  201.01                80
 05/18/2019   06:57:35   (   0.11,-128.39) (   0.37,-127.18)  137.65                80
 05/18/2019   19:21:30   (  -0.11,-128.41) (   0.76,-132.33)  446.01                80
 05/20/2019   06:45:24   (   0.12,-128.41) (   1.03,-124.23)  475.78                80
 05/20/2019   19:09:19   (  -0.11,-128.43) (   0.10,-129.38)  107.94                80
 05/22/2019   18:54:28   (  -0.12,-128.45) (  -0.56,-126.43)  229.64                80
 05/23/2019   07:18:32   (   0.11,-128.43) (  -0.55,-131.62)  362.01                80