Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2019 6 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 06/28/2019   06:51:12   (   0.10,-127.94) (   0.56,-125.62)  263.23                80
 06/28/2019   19:15:07   (  -0.07,-127.97) (   0.54,-130.78)  319.64                80
 06/30/2019   19:00:15   (  -0.08,-127.90) (  -0.11,-127.82)    9.62                80
 07/02/2019   18:48:02   (  -0.08,-127.83) (  -0.71,-124.86)  337.56                80
 07/03/2019   07:12:06   (   0.06,-127.77) (  -0.40,-130.05)  258.72                80
 07/05/2019   06:57:13   (   0.07,-127.68) (   0.19,-127.08)   68.47                80
 07/07/2019   06:45:00   (   0.08,-127.60) (   0.79,-124.11)  395.47                80
 07/07/2019   19:08:55   (  -0.05,-127.61) (   0.31,-129.27)  188.59                80
 07/09/2019   18:54:03   (  -0.06,-127.52) (  -0.35,-126.31)  138.35                80
 07/10/2019   07:18:06   (   0.03,-127.47) (  -0.82,-131.49)  457.32                80