Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2019 9 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/09/2019   06:47:34   (   0.26,-128.22) (   1.14,-124.19)  459.11                80
 09/09/2019   19:06:09   (  -0.28,-128.24) (  -0.03,-129.34)  125.67                80
 09/11/2019   18:56:37   (  -0.27,-128.19) (  -0.68,-126.39)  206.06                80
 09/12/2019   07:15:21   (   0.29,-128.16) (  -0.42,-131.58)  388.58                80
 09/14/2019   07:03:08   (   0.29,-128.11) (   0.17,-128.61)   57.20                80
 09/16/2019   06:53:36   (   0.29,-128.06) (   0.83,-125.66)  273.93                80
 09/16/2019   19:12:11   (  -0.31,-128.07) (   0.28,-130.81)  312.07                80
 09/18/2019   19:02:38   (  -0.30,-128.01) (  -0.32,-127.85)   18.58                80
 09/20/2019   18:50:25   (  -0.29,-127.95) (  -0.93,-124.88)  348.40                80
 09/21/2019   07:09:08   (   0.31,-127.92) (  -0.17,-130.08)  245.72                80