Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2019 7 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 07/18/2019   18:48:00   (  -0.03,-127.90) (  -0.66,-124.85)  346.93                80
 07/19/2019   07:12:04   (  -0.00,-127.92) (  -0.46,-130.04)  241.39                80
 07/21/2019   06:57:14   (   0.01,-127.98) (   0.23,-127.10)  101.01                80
 07/21/2019   19:21:09   (   0.02,-127.99) (   0.91,-132.25)  482.97                80
 07/23/2019   06:45:03   (   0.02,-128.04) (   0.85,-124.14)  443.08                80
 07/23/2019   19:08:58   (   0.01,-128.05) (   0.29,-129.29)  140.86                80
 07/25/2019   18:54:08   (   0.00,-128.11) (  -0.39,-126.35)  200.68                80
 07/26/2019   07:18:12   (  -0.04,-128.12) (  -0.74,-131.53)  387.20                80
 07/28/2019   07:06:01   (  -0.04,-128.17) (  -0.13,-128.58)   46.73                80
 07/30/2019   06:51:11   (  -0.03,-128.20) (   0.53,-125.63)  292.72                80
 07/30/2019   19:15:06   (   0.06,-128.21) (   0.62,-130.78)  292.76                80