Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2019 7 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 07/23/2019   06:45:02   (   0.02,-128.03) (   0.84,-124.13)  443.11                80
 07/23/2019   19:08:56   (   0.01,-128.06) (   0.29,-129.28)  140.09                80
 07/25/2019   18:54:05   (   0.01,-128.11) (  -0.38,-126.34)  201.70                80
 07/26/2019   07:18:08   (  -0.04,-128.12) (  -0.79,-131.51)  386.87                80
 07/28/2019   07:05:57   (  -0.04,-128.16) (  -0.11,-128.57)   46.01                80
 07/30/2019   06:51:05   (  -0.03,-128.20) (   0.52,-125.61)  293.97                80
 07/30/2019   19:15:00   (   0.06,-128.21) (   0.60,-130.76)  290.53                80
 08/01/2019   19:00:08   (   0.05,-128.24) (  -0.04,-127.81)   48.86                80
 08/03/2019   18:47:56   (   0.04,-128.26) (  -0.69,-124.85)  388.05                80
 08/04/2019   07:11:59   (  -0.08,-128.27) (  -0.46,-130.03)  200.39                80