Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2019 9 8.  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   06:47:33   (   0.26,-128.22) (   1.10,-124.18)  459.07                80
 09/09/2019   19:06:09   (  -0.28,-128.24) (  -0.05,-129.35)  125.84                80
 09/11/2019   18:56:36   (  -0.27,-128.19) (  -0.64,-126.38)  205.96                80
 09/12/2019   07:15:21   (   0.29,-128.16) (  -0.41,-131.58)  388.51                80
 09/14/2019   07:03:08   (   0.29,-128.11) (   0.19,-128.62)   57.02                80
 09/16/2019   06:53:35   (   0.29,-128.07) (   0.78,-125.65)  274.14                80
 09/16/2019   19:12:11   (  -0.31,-128.07) (   0.27,-130.82)  312.01                80
 09/18/2019   19:02:38   (  -0.30,-128.02) (  -0.33,-127.85)   18.61                80
 09/20/2019   18:50:25   (  -0.29,-127.96) (  -0.94,-124.89)  348.59                80
 09/21/2019   07:09:09   (   0.31,-127.92) (  -0.16,-130.08)  245.33                80