Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2019 5 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)
 05/18/2019   06:57:34   (   0.11,-128.39) (   0.36,-127.17)  137.80                80
 05/18/2019   19:18:50   (  -0.11,-128.42) (   0.71,-132.33)  444.48                80
 05/20/2019   06:45:24   (   0.12,-128.41) (   1.02,-124.22)  475.98                80
 05/20/2019   19:09:18   (  -0.11,-128.44) (   0.11,-129.37)  106.36                80
 05/22/2019   18:54:27   (  -0.12,-128.46) (  -0.56,-126.42)  231.34                80
 05/23/2019   07:18:31   (   0.11,-128.43) (  -0.55,-131.61)  361.63                80
 05/25/2019   07:06:19   (   0.12,-128.44) (   0.06,-128.65)   24.44                80
 05/27/2019   06:51:28   (   0.13,-128.45) (   0.74,-125.71)  312.62                80
 05/27/2019   19:15:23   (  -0.12,-128.48) (   0.39,-130.86)  270.42                80
 05/29/2019   19:03:11   (  -0.12,-128.48) (  -0.23,-127.90)   66.39                80