Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 1 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/26/2018   07:28:13   (  -0.02,-135.00) (   0.06,-134.76)   27.19                80
 01/28/2018   07:16:01   (  -0.01,-135.06) (   0.67,-131.80)  370.52                80
 01/28/2018   19:37:16   (   0.01,-135.05) (   0.40,-136.96)  216.57                80
 01/30/2018   19:27:45   (   0.02,-135.11) (  -0.21,-134.00)  126.37                80
 01/31/2018   07:49:08   (  -0.02,-135.16) (  -0.90,-139.19)  459.27                80
 02/01/2018   19:15:33   (   0.03,-135.17) (  -0.82,-131.04)  469.14                80
 02/02/2018   07:36:57   (  -0.03,-135.21) (  -0.22,-136.24)  116.75                80
 02/04/2018   07:22:05   (  -0.03,-135.27) (   0.39,-133.28)  225.53                80
 02/04/2018   19:43:21   (   0.03,-135.25) (   0.68,-138.44)  362.37                80
 02/06/2018   19:31:09   (   0.03,-135.30) (   0.06,-135.48)   20.48                80