Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 5 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 05/22/2018   19:26:20   (  -0.15,-135.26) (  -0.35,-134.30)  108.89                80
 05/23/2018   07:50:24   (   0.15,-135.22) (  -0.79,-139.48)  485.81                80
 05/24/2018   19:14:10   (  -0.16,-135.21) (  -0.99,-131.35)  438.95                80
 05/25/2018   07:38:14   (   0.15,-135.17) (  -0.15,-136.53)  155.76                80
 05/27/2018   07:23:24   (   0.15,-135.11) (   0.50,-133.59)  173.95                80
 05/27/2018   19:47:19   (  -0.14,-135.13) (   0.64,-138.73)  410.92                80
 05/29/2018   19:35:09   (  -0.14,-135.06) (  -0.01,-135.79)   81.97                80
 05/31/2018   19:20:18   (  -0.15,-135.00) (  -0.60,-132.83)  246.34                80
 06/01/2018   07:44:21   (   0.14,-134.95) (  -0.54,-138.02)  348.91                80
 06/03/2018   07:32:11   (   0.15,-134.88) (   0.12,-135.07)   21.34                80