Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 3 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 03/20/2018   07:46:41   (   0.02,-134.88) (  -0.91,-139.22)  494.06                80
 03/21/2018   19:15:48   (  -0.02,-134.83) (  -0.81,-131.08)  426.23                80
 03/22/2018   07:34:33   (   0.02,-134.79) (  -0.29,-136.27)  168.31                80
 03/24/2018   07:25:06   (   0.03,-134.71) (   0.34,-133.34)  156.19                80
 03/24/2018   19:43:42   (  -0.03,-134.69) (   0.75,-138.50)  432.26                80
 03/26/2018   07:12:59   (   0.03,-134.61) (   0.94,-130.39)  479.69                80
 03/26/2018   19:31:36   (  -0.04,-134.60) (   0.17,-135.56)  108.93                80
 03/28/2018   19:22:10   (  -0.04,-134.50) (  -0.44,-132.62)  213.87                80
 03/29/2018   07:40:54   (   0.04,-134.46) (  -0.70,-137.81)  381.31                80
 03/31/2018   07:28:49   (   0.04,-134.36) (  -0.07,-134.88)   59.01                80
 04/02/2018   07:19:24   (   0.04,-134.25) (   0.51,-131.94)  262.61                80
 04/02/2018   19:38:02   (  -0.04,-134.24) (   0.57,-137.11)  326.65                80