Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2019 4 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)
 04/16/2019   07:00:11   (   0.06,-127.62) (   0.20,-127.12)   57.45                80
 04/18/2019   06:48:00   (   0.06,-127.54) (   0.79,-124.16)  384.64                80
 04/18/2019   19:06:36   (  -0.06,-127.51) (   0.30,-129.32)  205.70                80
 04/20/2019   18:57:05   (  -0.07,-127.43) (  -0.28,-126.36)  120.98                80
 04/21/2019   07:15:49   (   0.07,-127.42) (  -0.79,-131.56)  470.40                80
 04/22/2019   18:44:55   (  -0.07,-127.34) (  -0.91,-123.41)  446.99                80
 04/23/2019   07:03:40   (   0.07,-127.33) (  -0.17,-128.61)  144.56                80
 04/25/2019   06:54:10   (   0.08,-127.24) (   0.44,-125.66)  180.82                80
 04/25/2019   19:12:45   (  -0.08,-127.20) (   0.66,-130.81)  410.01                80
 04/27/2019   19:00:35   (  -0.09,-127.11) (   0.07,-127.86)   85.14                80