Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 3 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 03/19/2018   19:27:56   (  -0.02,-134.91) (  -0.17,-134.02)   99.97                80
 03/20/2018   07:46:42   (   0.02,-134.88) (  -0.88,-139.23)  494.49                80
 03/21/2018   19:15:50   (  -0.02,-134.83) (  -0.81,-131.09)  425.12                80
 03/22/2018   07:34:36   (   0.02,-134.79) (  -0.28,-136.29)  169.76                80
 03/24/2018   07:25:11   (   0.03,-134.70) (   0.28,-133.35)  153.24                80
 03/24/2018   19:43:49   (  -0.03,-134.69) (   0.81,-138.52)  435.69                80
 03/26/2018   07:13:09   (   0.03,-134.61) (   0.92,-130.43)  474.68                80
 03/26/2018   19:31:47   (  -0.04,-134.59) (   0.20,-135.60)  114.57                80
 03/28/2018   19:22:27   (  -0.04,-134.49) (  -0.42,-132.69)  205.56                80
 03/29/2018   07:41:14   (   0.04,-134.46) (  -0.69,-137.89)  390.40                80
 03/31/2018   07:29:16   (   0.04,-134.35) (  -0.08,-134.98)   71.47                80