Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 7 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)
 07/25/2018   19:26:31   (   0.00,-135.52) (  -0.26,-134.34)  134.80                80
 07/26/2018   07:50:33   (  -0.04,-135.48) (  -0.90,-139.52)  458.79                80
 07/27/2018   19:14:19   (  -0.00,-135.51) (  -0.86,-131.38)  469.43                80
 07/28/2018   07:38:22   (  -0.03,-135.47) (  -0.24,-136.57)  124.30                80
 07/30/2018   07:23:30   (  -0.02,-135.45) (   0.36,-133.61)  209.69                80
 07/30/2018   19:47:25   (   0.06,-135.48) (   0.78,-138.75)  372.61                80
 08/01/2018   19:35:14   (   0.05,-135.46) (   0.12,-135.81)   39.13                80
 08/03/2018   19:20:23   (   0.04,-135.43) (  -0.54,-132.86)  293.66                80
 08/04/2018   07:44:26   (  -0.08,-135.39) (  -0.62,-138.03)  300.40                80
 08/06/2018   07:29:34   (  -0.07,-135.35) (  -0.03,-135.07)   31.36                80