Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2019 7 18.  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) (  -0.68,-124.85)  347.31                80
 07/19/2019   07:12:04   (  -0.00,-127.92) (  -0.45,-130.04)  241.21                80
 07/21/2019   06:57:13   (   0.01,-127.98) (   0.20,-127.09)  101.18                80
 07/21/2019   19:21:08   (   0.02,-127.99) (   0.92,-132.24)  482.51                80
 07/23/2019   06:45:02   (   0.02,-128.04) (   0.85,-124.14)  443.40                80
 07/23/2019   19:08:57   (   0.01,-128.05) (   0.28,-129.29)  140.28                80
 07/25/2019   18:54:06   (   0.01,-128.11) (  -0.37,-126.34)  201.40                80
 07/26/2019   07:18:10   (  -0.04,-128.12) (  -0.75,-131.52)  386.66                80
 07/28/2019   07:05:59   (  -0.04,-128.16) (  -0.11,-128.57)   46.01                80
 07/30/2019   06:51:08   (  -0.03,-128.20) (   0.54,-125.62)  293.73                80
 07/30/2019   19:15:02   (   0.06,-128.20) (   0.59,-130.77)  291.44                80