Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2017 10 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/29/2017   07:37:08   (   0.25,-134.90) (  -0.08,-136.38)  168.69                80
 10/31/2017   07:22:17   (   0.25,-134.82) (   0.51,-133.42)  158.57                80
 10/31/2017   19:43:33   (  -0.24,-134.79) (   0.58,-138.58)  430.94                80
 11/02/2017   07:10:07   (   0.25,-134.74) (   1.13,-130.47)  484.91                80
 11/02/2017   19:31:23   (  -0.24,-134.71) (  -0.02,-135.63)  104.62                80
 11/04/2017   19:21:54   (  -0.24,-134.62) (  -0.66,-132.68)  220.63                80
 11/05/2017   07:43:18   (   0.23,-134.61) (  -0.49,-137.86)  370.72                80
 11/07/2017   07:31:10   (   0.23,-134.50) (   0.17,-134.92)   47.12                80
 11/09/2017   07:16:21   (   0.22,-134.39) (   0.73,-131.97)  275.72                80
 11/09/2017   19:37:38   (  -0.21,-134.34) (   0.35,-137.13)  316.47                80
 11/11/2017   19:28:10   (  -0.21,-134.23) (  -0.22,-134.18)    5.73                80