Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2018 9 2.  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)
 09/02/2018   19:13:26   (  68.52,-109.86) 09/02/2018   19:14:37  (  68.48,-109.70)    7.68                71
 09/02/2018   20:04:06   ( -68.32,  57.72) 09/02/2018   20:04:08  ( -68.31,  57.73)    0.70                 2
 09/02/2018   20:54:49   (  68.15,-134.75) 09/02/2018   20:53:36  (  68.15,-134.81)    2.82                73
 09/05/2018   11:30:20   (  68.37,   6.10) 09/05/2018   11:31:07  (  68.39,   6.07)    1.82                47
 09/05/2018   12:21:02   ( -68.28, 173.54) 09/05/2018   12:20:37  ( -68.27, 173.57)    1.10                25
 09/05/2018   13:11:28   (  67.19, -17.81) 09/05/2018   13:10:21  (  67.21, -20.00)   94.28                67
 09/08/2018   02:56:48   ( -69.30, -46.70) 09/08/2018   02:57:56  ( -69.18, -44.71)   79.95                68
 09/08/2018   03:47:16   (  68.34, 121.91) 09/08/2018   03:47:36  (  68.35, 121.90)    0.86                20
 09/08/2018   04:37:58   ( -68.24, -70.64) 09/08/2018   04:37:06  ( -68.24, -70.60)    1.93                52
 09/10/2018   19:13:27   ( -68.42,  70.27) 09/10/2018   19:14:37  ( -68.42,  70.23)    1.92                70
 09/10/2018   20:04:11   (  68.31,-122.28) 09/10/2018   20:04:04  (  68.31,-122.26)    0.60                 7
 09/10/2018   20:54:49   ( -67.99,  45.44) 09/10/2018   20:53:37  ( -68.04,  45.04)   17.20                72
 09/13/2018   11:30:23   ( -68.39,-173.92) 09/13/2018   11:31:06  ( -68.39,-173.93)    0.68                43
 09/13/2018   12:21:07   (  68.28,  -6.47) 09/13/2018   12:20:33  (  68.27,  -6.43)    1.93                34
 09/16/2018   02:56:47   (  69.00, 133.71) 09/16/2018   02:57:57  (  68.91, 134.95)   50.57                70
 09/16/2018   03:47:19   ( -68.36, -58.11) 09/16/2018   03:47:35  ( -68.36, -58.09)    0.87                16
 09/16/2018   04:38:02   (  68.20, 109.40) 09/16/2018   04:37:03  (  68.19, 109.35)    2.62                59