Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2019 9 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/28/2019   07:18:00   (   0.32,-127.67) (  -0.49,-131.59)  444.96                80
 09/29/2019   18:44:25   (  -0.30,-127.64) (  -1.22,-123.44)  478.36                80
 09/30/2019   07:05:49   (   0.32,-127.60) (   0.10,-128.63)  117.19                80
 10/02/2019   06:50:57   (   0.31,-127.52) (   0.68,-125.66)  210.21                80
 10/02/2019   19:12:12   (  -0.32,-127.52) (   0.38,-130.83)  376.51                80
 10/04/2019   19:00:00   (  -0.31,-127.43) (  -0.21,-127.86)   49.58                80
 10/06/2019   18:50:28   (  -0.31,-127.34) (  -0.79,-124.90)  276.98                80
 10/07/2019   07:11:53   (   0.31,-127.31) (  -0.26,-130.10)  317.80                80
 10/09/2019   06:57:01   (   0.31,-127.21) (   0.33,-127.14)    8.37                80
 10/11/2019   06:44:49   (   0.30,-127.12) (   0.92,-124.18)  334.26                80
 10/11/2019   19:06:05   (  -0.31,-127.11) (   0.15,-129.34)  253.64                80