Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2020 1 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/11/2020   07:11:44   (   0.02,-128.42) (  -0.32,-130.05)  185.64                80
 01/13/2020   06:56:52   (   0.02,-128.43) (   0.28,-127.09)  151.65                80
 01/13/2020   19:20:47   (  -0.01,-128.41) (   0.84,-132.24)  436.87                80
 01/15/2020   06:44:42   (   0.01,-128.44) (   0.94,-124.14)  488.62                80
 01/15/2020   19:08:36   (  -0.01,-128.41) (   0.18,-129.29)   99.94                80
 01/17/2020   18:53:45   (  -0.01,-128.42) (  -0.47,-126.34)  236.54                80
 01/18/2020   07:17:49   (  -0.00,-128.44) (  -0.66,-131.53)  351.03                80
 01/20/2020   07:05:38   (   0.01,-128.44) (  -0.01,-128.57)   15.41                80
 01/22/2020   06:50:47   (   0.01,-128.43) (   0.63,-125.62)  319.84                80
 01/22/2020   19:14:42   (  -0.00,-128.40) (   0.49,-130.77)  269.28                80
 01/24/2020   18:59:51   (  -0.01,-128.39) (  -0.15,-127.82)   65.54                80