Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2017 8 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 08/05/2017   07:18:59   (   0.08,-134.70) (   0.67,-131.90)  317.31                80
 08/05/2017   19:37:35   (  -0.12,-134.80) (   0.36,-137.08)  258.70                80
 08/07/2017   19:28:05   (  -0.12,-134.85) (  -0.30,-134.13)   82.76                80
 08/09/2017   19:15:55   (  -0.11,-134.90) (  -0.89,-131.17)  423.66                80
 08/10/2017   07:34:39   (   0.15,-134.82) (  -0.17,-136.37)  175.57                80
 08/12/2017   07:25:08   (   0.14,-134.86) (   0.43,-133.41)  164.53                80
 08/12/2017   19:43:45   (  -0.17,-134.95) (   0.61,-138.58)  413.16                80
 08/14/2017   19:31:35   (  -0.17,-134.99) (  -0.05,-135.64)   73.82                80
 08/16/2017   19:22:04   (  -0.16,-135.01) (  -0.64,-132.68)  264.60                80
 08/17/2017   07:40:49   (   0.19,-134.94) (  -0.41,-137.88)  333.91                80