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

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 02/15/2018   19:27:47   (   0.02,-135.41) (  -0.25,-134.01)  158.11                80
 02/16/2018   07:49:12   (  -0.02,-135.42) (  -0.81,-139.22)  431.00                80
 02/17/2018   19:15:36   (   0.02,-135.42) (  -0.90,-131.06)  495.44                80
 02/18/2018   07:37:00   (  -0.02,-135.43) (  -0.22,-136.25)   93.80                80
 02/20/2018   07:22:09   (  -0.02,-135.44) (   0.43,-133.30)  242.85                80
 02/20/2018   19:43:24   (   0.02,-135.43) (   0.70,-138.45)  344.59                80
 02/22/2018   19:31:13   (   0.02,-135.42) (   0.04,-135.50)    9.11                80
 02/24/2018   19:21:42   (   0.01,-135.41) (  -0.62,-132.55)  325.39                80
 02/25/2018   07:40:26   (  -0.01,-135.41) (  -0.49,-137.74)  264.46                80
 02/27/2018   07:30:54   (  -0.01,-135.39) (   0.11,-134.78)   69.29                80