Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2019 8 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)
 08/17/2019   19:00:06   (   0.14,-128.44) (  -0.01,-127.80)   73.24                80
 08/19/2019   18:47:54   (   0.13,-128.45) (  -0.63,-124.84)  409.85                80
 08/20/2019   07:11:58   (  -0.17,-128.45) (  -0.47,-130.04)  179.95                80
 08/22/2019   06:57:06   (  -0.16,-128.44) (   0.15,-127.08)  155.91                80
 08/22/2019   19:21:01   (   0.20,-128.44) (   0.98,-132.23)  429.77                80
 08/24/2019   06:44:54   (  -0.16,-128.43) (   0.77,-124.12)  491.12                80
 08/24/2019   19:08:49   (   0.19,-128.43) (   0.35,-129.27)   94.69                80
 08/26/2019   18:53:57   (   0.19,-128.41) (  -0.28,-126.31)  239.60                80
 08/27/2019   07:18:00   (  -0.22,-128.41) (  -0.88,-131.49)  350.17                80
 08/29/2019   07:05:48   (  -0.22,-128.38) (  -0.25,-128.53)   16.74                80