Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2017 12 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/25/2017   07:28:14   (   0.05,-135.35) (   0.14,-134.79)   62.50                80
 12/27/2017   07:16:03   (   0.05,-135.31) (   0.77,-131.84)  394.76                80
 12/27/2017   19:39:59   (  -0.04,-135.23) (   0.31,-137.00)  199.78                80
 12/29/2017   19:25:07   (  -0.05,-135.19) (  -0.27,-134.03)  131.63                80
 12/30/2017   07:49:10   (   0.03,-135.25) (  -0.84,-139.22)  452.20                80
 12/31/2017   19:14:47   (  -0.05,-135.14) (  -0.92,-131.07)  462.11                31
 01/01/2018   07:36:59   (   0.04,-135.19) (  -0.19,-136.26)  121.95                80
 01/03/2018   07:22:07   (   0.04,-135.13) (   0.40,-133.30)  207.75                80
 01/03/2018   19:46:03   (  -0.03,-135.04) (   0.68,-138.46)  387.93                80
 01/05/2018   19:33:51   (  -0.03,-134.98) (   0.08,-135.50)   58.45                80