Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2018 10 11.  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)
 10/12/2018   19:13:34   ( -68.45,  70.30) 10/12/2018   19:14:18  ( -68.44,  70.30)    0.31                44
 10/12/2018   20:04:18   (  68.31,-122.23) 10/12/2018   20:03:45  (  68.32,-122.20)    1.42                33
 10/15/2018   10:39:58   (  69.12,  17.83) 10/15/2018   10:41:07  (  69.01,  19.25)   57.82                69
 10/15/2018   11:30:28   ( -68.40,-173.88) 10/15/2018   11:30:46  ( -68.41,-173.86)    1.22                18
 10/15/2018   12:21:11   (  68.27,  -6.41) 10/15/2018   12:20:12  (  68.28,  -6.36)    2.34                59
 10/18/2018   02:56:40   (  68.49, 134.45) 10/18/2018   02:57:43  (  68.47, 134.47)    2.62                63
 10/18/2018   03:47:21   ( -68.36, -58.06) 10/18/2018   03:47:13  ( -68.38, -58.01)    2.76                 8
 10/18/2018   04:37:58   (  67.85, 109.89) 10/18/2018   04:36:46  (  67.91, 109.08)   34.22                72
 10/20/2018   19:13:34   (  68.46,-109.74) 10/20/2018   19:14:11  (  68.44,-109.69)    2.78                37
 10/20/2018   20:04:15   ( -68.32,  57.76) 10/20/2018   20:03:42  ( -68.29,  57.77)    3.12                33
 10/23/2018   10:39:54   ( -69.08,-162.12) 10/23/2018   10:41:04  ( -68.99,-160.77)   54.47                70
 10/23/2018   11:30:27   (  68.37,   6.14) 10/23/2018   11:30:40  (  68.36,   6.09)    2.47                13
 10/23/2018   12:21:09   ( -68.28, 173.57) 10/23/2018   12:20:10  ( -68.27, 173.62)    2.83                59