Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 10 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/04/2018   19:32:16   (  -0.33,-135.67) (  -0.28,-135.84)   19.96                80
 10/06/2018   19:22:44   (  -0.33,-135.67) (  -0.93,-132.88)  316.63                80
 10/07/2018   07:44:08   (   0.34,-135.62) (  -0.17,-138.08)  278.80                80
 10/09/2018   07:29:15   (   0.33,-135.62) (   0.43,-135.11)   57.19                80
 10/11/2018   07:17:03   (   0.33,-135.61) (   1.08,-132.16)  392.73                80
 10/11/2018   19:38:18   (  -0.34,-135.65) (   0.04,-137.31)  189.61                80
 10/13/2018   19:28:46   (  -0.33,-135.63) (  -0.61,-134.36)  145.39                80
 10/14/2018   07:50:10   (   0.33,-135.60) (  -0.48,-139.55)  448.84                80
 10/15/2018   19:16:33   (  -0.33,-135.61) (  -1.20,-131.39)  479.84                80
 10/16/2018   07:37:57   (   0.33,-135.57) (   0.11,-136.58)  114.70                80