Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2017 8 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 08/19/2017   07:28:36   (   0.18,-134.98) (   0.18,-134.91)    7.28                80
 08/21/2017   07:19:05   (   0.18,-135.00) (   0.81,-131.96)  345.18                80
 08/21/2017   19:37:42   (  -0.21,-135.09) (   0.22,-137.13)  231.54                80
 08/23/2017   19:28:11   (  -0.21,-135.11) (  -0.42,-134.18)  106.51                80
 08/24/2017   07:46:55   (   0.23,-135.03) (  -0.69,-139.37)  493.03                80
 08/25/2017   19:16:00   (  -0.20,-135.13) (  -1.06,-131.22)  444.44                80
 08/26/2017   07:34:44   (   0.23,-135.05) (  -0.05,-136.42)  155.37                80
 08/28/2017   07:25:12   (   0.22,-135.06) (   0.54,-133.45)  181.88                80
 08/28/2017   19:43:49   (  -0.25,-135.14) (   0.48,-138.63)  396.47                80
 08/30/2017   19:31:37   (  -0.24,-135.14) (  -0.11,-135.66)   59.80                80