Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 10 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/13/2018   19:28:44   (  -0.33,-135.63) (  -0.60,-134.34)  145.70                80
 10/14/2018   07:50:08   (   0.33,-135.59) (  -0.51,-139.54)  448.48                80
 10/15/2018   19:16:31   (  -0.33,-135.61) (  -1.21,-131.38)  480.33                80
 10/16/2018   07:37:55   (   0.33,-135.57) (   0.11,-136.57)  114.16                80
 10/18/2018   07:23:02   (   0.32,-135.54) (   0.74,-133.61)  219.61                80
 10/18/2018   19:44:17   (  -0.32,-135.56) (   0.36,-138.76)  364.67                80
 10/20/2018   19:32:04   (  -0.32,-135.53) (  -0.26,-135.80)   31.22                80
 10/22/2018   19:22:31   (  -0.32,-135.49) (  -0.89,-132.84)  301.65                80
 10/23/2018   07:43:55   (   0.32,-135.47) (  -0.21,-138.03)  291.53                80
 10/25/2018   07:29:01   (   0.32,-135.42) (   0.37,-135.06)   40.44                80