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   18:57:02   (  -0.00,-128.30) (  -0.39,-126.37)  219.25                80
 03/20/2019   07:18:27   (   0.01,-128.33) (  -0.67,-131.57)  367.97                80
 03/22/2019   07:06:16   (   0.00,-128.31) (  -0.04,-128.62)   34.29                80
 03/24/2019   06:51:24   (  -0.00,-128.29) (   0.54,-125.65)  299.32                80
 03/24/2019   19:12:40   (  -0.00,-128.24) (   0.53,-130.81)  291.87                80
 03/26/2019   19:03:08   (  -0.00,-128.21) (  -0.05,-127.85)   41.12                80
 03/28/2019   18:50:57   (  -0.01,-128.18) (  -0.70,-124.89)  373.45                80
 03/29/2019   07:09:41   (   0.01,-128.21) (  -0.41,-130.08)  213.86                80
 03/31/2019   07:00:10   (   0.01,-128.17) (   0.25,-127.13)  118.24                80
 03/31/2019   19:18:45   (  -0.02,-128.12) (   0.89,-132.28)  473.63                80