Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 4 24.  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)
 04/25/2019   10:39:16   (  69.32,  17.52) 04/25/2019   10:40:23  (  69.21,  19.71)   87.45                67
 04/25/2019   11:29:41   ( -68.32,-173.81) 04/25/2019   11:30:07  ( -68.31,-173.78)    2.27                26
 04/25/2019   12:20:24   (  68.15,  -6.28) 04/25/2019   12:19:35  (  68.15,  -6.32)    1.71                49
 04/28/2019   02:55:55   (  68.42, 134.51) 04/28/2019   02:57:06  (  68.38, 134.55)    4.30                71
 04/28/2019   03:46:36   ( -68.27, -57.98) 04/28/2019   03:46:36  ( -68.27, -57.95)    1.34                 0
 04/28/2019   04:37:18   (  68.04, 109.62) 04/28/2019   04:36:05  (  68.05, 109.44)    7.42                73
 04/30/2019   19:12:50   (  68.32,-109.59) 04/30/2019   19:13:36  (  68.33,-109.63)    2.10                46
 04/30/2019   20:03:32   ( -68.22,  57.85) 04/30/2019   20:03:06  ( -68.21,  57.87)    0.86                26
 04/30/2019   20:53:57   (  67.07,-133.45) 04/30/2019   20:52:51  (  67.10,-135.76)   99.95                66
 05/03/2019   10:39:18   ( -69.24,-162.37) 05/03/2019   10:40:26  ( -69.09,-160.45)   77.88                68
 05/03/2019   11:29:46   (  68.27,   6.23) 05/03/2019   11:30:06  (  68.26,   6.17)    2.94                20
 05/03/2019   12:20:28   ( -68.17, 173.68) 05/03/2019   12:19:36  ( -68.15, 173.67)    2.02                52
 05/06/2019   02:55:59   ( -68.39, -45.46) 05/06/2019   02:57:07  ( -68.41, -45.42)    3.06                68
 05/06/2019   03:46:42   (  68.23, 122.05) 05/06/2019   03:46:35  (  68.24, 122.02)    1.91                 7
 05/06/2019   04:37:20   ( -67.91, -70.23) 05/06/2019   04:36:08  ( -67.97, -70.66)   19.32                72