Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2019 1 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/30/2019   18:56:50   (   0.01,-127.55) (  -0.27,-126.29)  143.27                80
 01/31/2019   07:18:14   (  -0.01,-127.59) (  -0.84,-131.48)  442.23                80
 02/01/2019   18:44:38   (   0.00,-127.45) (  -0.89,-123.33)  469.11                80
 02/02/2019   07:06:02   (  -0.01,-127.49) (  -0.22,-128.52)  116.58                80
 02/04/2019   06:51:10   (  -0.01,-127.39) (   0.39,-125.56)  208.84                80
 02/04/2019   19:12:25   (   0.02,-127.30) (   0.72,-130.71)  387.78                80
 02/06/2019   19:00:12   (   0.02,-127.19) (   0.17,-127.74)   62.61                80
 02/08/2019   18:50:40   (   0.03,-127.09) (  -0.44,-124.77)  262.36                80
 02/09/2019   07:12:05   (  -0.03,-127.13) (  -0.61,-129.98)  322.99                80
 02/11/2019   06:59:52   (  -0.03,-127.02) (  -0.06,-127.00)    3.58                80