Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2019 6 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 06/26/2019   07:06:05   (   0.09,-128.00) (  -0.04,-128.59)   66.85                80
 06/28/2019   06:51:13   (   0.10,-127.94) (   0.62,-125.63)  262.93                80
 06/28/2019   19:15:07   (  -0.07,-127.97) (   0.55,-130.78)  319.96                80
 06/30/2019   19:00:15   (  -0.08,-127.90) (  -0.11,-127.82)    9.20                80
 07/02/2019   18:48:02   (  -0.08,-127.82) (  -0.71,-124.86)  337.11                80
 07/03/2019   07:12:05   (   0.06,-127.76) (  -0.45,-130.03)  259.16                80
 07/05/2019   06:57:13   (   0.07,-127.68) (   0.22,-127.08)   68.03                80
 07/07/2019   06:45:00   (   0.08,-127.59) (   0.83,-124.12)  394.93                80
 07/07/2019   19:08:55   (  -0.05,-127.60) (   0.27,-129.27)  189.19                80