Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2019 1 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/21/2019   19:03:00   (  -0.01,-127.92) (  -0.06,-127.80)   14.82                80
 01/23/2019   18:50:48   (  -0.01,-127.85) (  -0.68,-124.84)  342.79                80
 01/24/2019   07:12:12   (  -0.00,-127.90) (  -0.44,-130.03)  241.96                80
 01/26/2019   06:57:20   (  -0.01,-127.82) (   0.18,-127.07)   85.94                80
 01/28/2019   06:45:08   (  -0.00,-127.74) (   0.80,-124.11)  413.46                80
 01/28/2019   19:06:22   (   0.01,-127.64) (   0.38,-129.25)  182.93                80
 01/30/2019   18:56:50   (   0.01,-127.56) (  -0.24,-126.29)  144.17                80
 01/31/2019   07:18:15   (  -0.01,-127.61) (  -0.81,-131.49)  439.90                80
 02/01/2019   18:44:38   (   0.00,-127.47) (  -0.87,-123.33)  470.83                80
 02/02/2019   07:06:02   (  -0.01,-127.52) (  -0.24,-128.52)  113.45                80