Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2019 9 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/14/2019   07:03:09   (   0.29,-128.11) (   0.17,-128.62)   58.37                80
 09/16/2019   06:53:38   (   0.29,-128.06) (   0.77,-125.66)  271.71                80
 09/16/2019   19:12:15   (  -0.31,-128.07) (   0.26,-130.83)  313.83                80
 09/18/2019   19:02:45   (  -0.30,-128.01) (  -0.35,-127.88)   15.35                80
 09/20/2019   18:50:35   (  -0.30,-127.95) (  -0.91,-124.92)  343.25                80
 09/21/2019   07:09:20   (   0.31,-127.91) (  -0.18,-130.12)  252.25                80
 09/23/2019   06:59:52   (   0.30,-127.83) (   0.44,-127.18)   74.21                80
 09/25/2019   06:47:44   (   0.30,-127.75) (   1.03,-124.23)  399.64                80
 09/25/2019   19:06:21   (  -0.31,-127.75) (   0.06,-129.40)  188.00                80
 09/27/2019   18:56:55   (  -0.31,-127.67) (  -0.59,-126.47)  136.67                80