Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2019 5 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 05/22/2019   18:54:27   (  -0.12,-128.45) (  -0.57,-126.42)  231.35                80
 05/23/2019   07:18:31   (   0.11,-128.42) (  -0.54,-131.61)  362.73                80
 05/25/2019   07:06:19   (   0.12,-128.42) (   0.07,-128.65)   25.88                80
 05/27/2019   06:51:27   (   0.13,-128.43) (   0.69,-125.69)  310.73                80
 05/27/2019   19:15:23   (  -0.12,-128.47) (   0.37,-130.86)  271.39                80
 05/29/2019   19:00:31   (  -0.12,-128.47) (  -0.25,-127.90)   65.01                80
 05/31/2019   18:48:19   (  -0.13,-128.46) (  -0.87,-124.94)  400.90                80
 06/01/2019   07:12:23   (   0.12,-128.43) (  -0.24,-130.13)  193.03                80
 06/03/2019   06:57:31   (   0.12,-128.41) (   0.39,-127.17)  141.80                80
 06/03/2019   19:21:26   (  -0.11,-128.44) (   0.72,-132.32)  441.38                80