Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2019 8 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 08/01/2019   19:00:11   (   0.05,-128.27) (  -0.06,-127.82)   51.53                80
 08/03/2019   18:47:59   (   0.04,-128.30) (  -0.67,-124.86)  391.38                80
 08/04/2019   07:12:03   (  -0.08,-128.31) (  -0.44,-130.05)  197.26                80
 08/06/2019   06:57:12   (  -0.07,-128.34) (   0.23,-127.10)  142.30                80
 08/06/2019   19:21:06   (   0.10,-128.35) (   0.90,-132.25)  442.56                80
 08/08/2019   06:45:00   (  -0.06,-128.37) (   0.84,-124.14)  481.57                80
 08/08/2019   19:08:54   (   0.10,-128.38) (   0.29,-129.29)  103.27                80
 08/10/2019   18:54:02   (   0.09,-128.40) (  -0.32,-126.33)  235.51                80
 08/11/2019   07:18:06   (  -0.13,-128.41) (  -0.78,-131.52)  352.89                80
 08/13/2019   07:05:54   (  -0.12,-128.43) (  -0.16,-128.56)   14.66                80