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

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/16/2019   06:53:39   (   0.29,-128.06) (   0.80,-125.67)  271.57                80
 09/16/2019   19:12:14   (  -0.31,-128.07) (   0.30,-130.83)  313.62                80
 09/18/2019   19:02:45   (  -0.30,-128.02) (  -0.35,-127.89)   15.44                80
 09/20/2019   18:50:36   (  -0.30,-127.95) (  -0.94,-124.94)  343.16                80
 09/21/2019   07:09:21   (   0.31,-127.91) (  -0.17,-130.13)  252.74                80
 09/23/2019   06:57:13   (   0.30,-127.83) (   0.42,-127.18)   73.47                80
 09/25/2019   06:47:47   (   0.30,-127.75) (   1.07,-124.26)  398.54                80
 09/25/2019   19:06:24   (  -0.31,-127.76) (   0.03,-129.42)  188.83                80
 09/27/2019   18:56:58   (  -0.31,-127.67) (  -0.56,-126.48)  135.38                80
 09/28/2019   07:18:24   (   0.32,-127.64) (  -0.54,-131.68)  460.02                80