Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 2 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 02/20/2018   07:22:09   (  -0.03,-135.44) (   0.42,-133.29)  243.54                80
 02/20/2018   19:43:24   (   0.03,-135.43) (   0.65,-138.46)  344.00                80
 02/22/2018   19:31:12   (   0.02,-135.42) (   0.07,-135.49)    8.91                80
 02/24/2018   19:21:41   (   0.02,-135.41) (  -0.57,-132.54)  326.33                80
 02/25/2018   07:40:26   (  -0.02,-135.42) (  -0.49,-137.74)  263.38                80
 02/27/2018   07:30:55   (  -0.02,-135.40) (   0.14,-134.78)   70.51                80
 03/01/2018   07:18:43   (  -0.02,-135.38) (   0.70,-131.82)  404.00                80
 03/01/2018   19:37:19   (   0.02,-135.36) (   0.37,-136.98)  184.45                80
 03/03/2018   19:27:48   (   0.03,-135.33) (  -0.24,-134.02)  148.85                80
 03/04/2018   07:46:33   (  -0.02,-135.34) (  -0.82,-139.22)  440.95                80
 03/05/2018   19:15:37   (   0.03,-135.30) (  -0.85,-131.06)  481.69                80