Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 4 27.  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)
 04/28/2019   02:55:55   (  68.40, 134.53) 04/28/2019   02:57:06  (  68.41, 134.59)    2.48                71
 04/28/2019   03:46:36   ( -68.26, -57.97) 04/28/2019   03:46:37  ( -68.24, -57.99)    2.66                 1
 04/28/2019   04:37:18   (  68.03, 109.63) 04/28/2019   04:36:05  (  68.08, 109.47)    8.77                73
 04/30/2019   19:12:51   (  68.36,-109.64) 04/30/2019   19:13:36  (  68.37,-109.58)    3.25                45
 04/30/2019   20:03:32   ( -68.21,  57.86) 04/30/2019   20:03:07  ( -68.20,  57.85)    0.82                25
 04/30/2019   20:53:58   (  67.11,-133.50) 04/30/2019   20:52:51  (  67.14,-135.71)   95.65                67
 05/03/2019   10:39:19   ( -69.28,-162.43) 05/03/2019   10:40:26  ( -69.16,-160.36)   82.74                67
 05/03/2019   11:29:47   (  68.31,   6.18) 05/03/2019   11:30:07  (  68.28,   6.18)    3.41                20
 05/03/2019   12:20:28   ( -68.16, 173.69) 05/03/2019   12:19:37  ( -68.17, 173.68)    0.90                51
 05/06/2019   02:55:58   ( -68.38, -45.45) 05/06/2019   02:57:08  ( -68.40, -45.44)    2.88                70
 05/06/2019   03:46:42   (  68.27, 122.00) 05/06/2019   03:46:36  (  68.24, 122.01)    3.06                 6
 05/06/2019   04:37:21   ( -68.00, -70.35) 05/06/2019   04:36:08  ( -68.02, -70.62)   11.21                73
 05/08/2019   19:12:54   ( -68.33,  70.37) 05/08/2019   19:13:39  ( -68.31,  70.33)    3.44                45
 05/08/2019   20:03:38   (  68.22,-122.18) 05/08/2019   20:03:06  (  68.20,-122.16)    3.15                32