Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2017 10 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/24/2017   07:16:12   (   0.27,-135.07) (   0.90,-131.96)  353.15                80
 10/24/2017   19:37:28   (  -0.26,-135.06) (   0.16,-137.12)  234.37                80
 10/26/2017   19:27:56   (  -0.26,-134.99) (  -0.45,-134.16)   94.79                80
 10/27/2017   07:49:19   (   0.25,-134.98) (  -0.66,-139.35)  496.72                80
 10/28/2017   19:15:44   (  -0.25,-134.92) (  -1.05,-131.20)  423.37                80
 10/29/2017   07:37:08   (   0.25,-134.90) (  -0.05,-136.39)  168.46                80
 10/31/2017   07:22:16   (   0.25,-134.82) (   0.55,-133.43)  159.16                80
 10/31/2017   19:43:30   (  -0.24,-134.79) (   0.58,-138.57)  430.57                80
 11/02/2017   07:10:04   (   0.25,-134.74) (   1.15,-130.46)  486.16                80
 11/02/2017   19:31:18   (  -0.24,-134.71) (  -0.02,-135.61)  103.59                80
 11/04/2017   19:21:47   (  -0.24,-134.61) (  -0.68,-132.66)  222.62                80
 11/05/2017   07:43:10   (   0.23,-134.61) (  -0.48,-137.84)  368.12                80