Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2018 8 3.  Predictions up to the next  14.0 days:

     Date     Time(NPP) NPP Lat/Lon Date Time(TERRA) TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 08/04/2018   11:30:02   (  68.47,   6.02) 08/04/2018   11:31:14  (  68.44,   6.12)    5.46                72
 08/04/2018   12:20:42   ( -68.28, 173.59) 08/04/2018   12:20:45  ( -68.27, 173.56)    1.35                 3
 08/04/2018   13:11:25   (  68.10, -18.87) 08/04/2018   13:10:13  (  68.11, -18.99)    5.21                72
 08/07/2018   03:46:57   (  68.36, 121.93) 08/07/2018   03:47:44  (  68.35, 121.89)    2.22                47
 08/07/2018   04:37:38   ( -68.22, -70.57) 08/07/2018   04:37:14  ( -68.24, -70.60)    2.98                24
 08/07/2018   05:28:04   (  67.12,  98.08) 08/07/2018   05:26:58  (  67.17,  95.83)   97.46                66
 08/09/2018   19:13:24   ( -69.28,  69.15) 08/09/2018   19:14:32  ( -69.14,  71.12)   79.06                68
 08/09/2018   20:03:52   (  68.31,-122.23) 08/09/2018   20:04:12  (  68.30,-122.28)    1.93                20
 08/09/2018   20:54:34   ( -68.21,  45.21) 08/09/2018   20:53:42  ( -68.20,  45.23)    1.61                52
 08/12/2018   11:30:05   ( -68.42,-173.92) 08/12/2018   11:31:13  ( -68.43,-173.89)    1.49                68
 08/12/2018   12:20:48   (  68.25,  -6.40) 08/12/2018   12:20:41  (  68.26,  -6.45)    2.39                 7
 08/12/2018   13:11:26   ( -67.94, 161.32) 08/12/2018   13:10:14  ( -67.98, 160.86)   19.81                72
 08/15/2018   03:47:01   ( -68.36, -58.08) 08/15/2018   03:47:42  ( -68.38, -58.08)    1.43                41
 08/15/2018   04:37:45   (  68.25, 109.37) 08/15/2018   04:37:09  (  68.26, 109.43)    2.71                36