Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 10 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)
 10/11/2018   07:17:02   (   0.33,-135.60) (   1.08,-132.15)  393.21                80
 10/11/2018   19:38:17   (  -0.34,-135.63) (   0.02,-137.30)  189.62                80
 10/13/2018   19:28:44   (  -0.33,-135.62) (  -0.58,-134.34)  145.10                80
 10/14/2018   07:50:08   (   0.33,-135.58) (  -0.52,-139.53)  448.82                80
 10/15/2018   19:16:32   (  -0.32,-135.59) (  -1.25,-131.38)  479.25                80
 10/16/2018   07:37:55   (   0.33,-135.56) (   0.09,-136.56)  115.00                80
 10/18/2018   07:23:03   (   0.32,-135.53) (   0.75,-133.61)  218.33                80
 10/18/2018   19:44:18   (  -0.32,-135.54) (   0.36,-138.76)  366.46                80
 10/20/2018   19:32:05   (  -0.32,-135.51) (  -0.24,-135.80)   33.62                80
 10/22/2018   19:22:33   (  -0.32,-135.47) (  -0.89,-132.85)  298.76                80
 10/23/2018   07:43:56   (   0.31,-135.44) (  -0.26,-138.03)  294.26                80