Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 8 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 08/11/2018   07:50:27   (  -0.14,-135.24) (  -1.04,-139.48)  482.48                80
 08/12/2018   19:14:12   (   0.09,-135.25) (  -0.74,-131.34)  444.02                80
 08/13/2018   07:38:15   (  -0.13,-135.18) (  -0.42,-136.52)  151.95                80
 08/15/2018   07:23:23   (  -0.11,-135.13) (   0.19,-133.56)  178.34                80
 08/15/2018   19:47:18   (   0.15,-135.17) (   0.94,-138.71)  403.52                80
 08/17/2018   19:35:07   (   0.15,-135.11) (   0.26,-135.76)   73.67                80
 08/19/2018   19:20:15   (   0.14,-135.05) (  -0.35,-132.80)  255.67                80
 08/20/2018   07:44:18   (  -0.18,-134.98) (  -0.81,-137.98)  340.68                80
 08/22/2018   07:32:06   (  -0.18,-134.91) (  -0.20,-135.02)   12.07                80
 08/24/2018   07:17:14   (  -0.17,-134.84) (   0.41,-132.06)  315.91                80
 08/24/2018   19:41:09   (   0.21,-134.86) (   0.73,-137.21)  266.66                80