Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2019 3 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 03/19/2019   18:57:03   (   0.00,-128.30) (  -0.41,-126.38)  219.14                80
 03/20/2019   07:15:46   (   0.00,-128.33) (  -0.71,-131.56)  367.88                80
 03/22/2019   07:03:36   (  -0.00,-128.31) (  -0.08,-128.61)   34.11                80
 03/24/2019   06:54:05   (  -0.00,-128.29) (   0.56,-125.66)  299.40                80
 03/24/2019   19:12:39   (  -0.00,-128.24) (   0.57,-130.80)  292.03                80
 03/26/2019   19:03:08   (  -0.00,-128.21) (  -0.07,-127.85)   40.85                80
 03/28/2019   18:50:58   (  -0.00,-128.18) (  -0.72,-124.90)  373.31                80
 03/29/2019   07:09:41   (   0.01,-128.21) (  -0.39,-130.09)  213.79                80
 03/31/2019   07:00:09   (   0.01,-128.17) (   0.21,-127.12)  118.31                80
 03/31/2019   19:18:45   (  -0.01,-128.12) (   0.87,-132.29)  473.79                80