Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2019 1 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/12/2019   06:45:13   (   0.04,-128.30) (   0.89,-124.14)  471.60                80
 01/12/2019   19:06:29   (  -0.02,-128.22) (   0.18,-129.31)  123.26                80
 01/14/2019   18:56:57   (  -0.02,-128.16) (  -0.41,-126.34)  206.71                80
 01/15/2019   07:18:21   (   0.01,-128.22) (  -0.70,-131.53)  377.11                80
 01/17/2019   07:06:10   (   0.02,-128.15) (  -0.06,-128.58)   48.40                80
 01/19/2019   06:51:19   (   0.02,-128.08) (   0.57,-125.62)  279.39                80
 01/19/2019   19:12:34   (  -0.01,-127.98) (   0.57,-130.77)  317.45                80
 01/21/2019   19:00:23   (  -0.01,-127.90) (  -0.06,-127.82)   10.12                80
 01/23/2019   18:50:51   (  -0.01,-127.81) (  -0.61,-124.85)  336.61                80
 01/24/2019   07:12:16   (  -0.00,-127.87) (  -0.45,-130.05)  246.98                80