Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 4 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)
 04/04/2019   02:55:51   ( -68.65, -45.75) 04/04/2019   02:57:02  ( -68.57, -45.20)   24.01                71
 04/04/2019   03:46:30   (  68.25, 122.07) 04/04/2019   03:46:33  (  68.25, 122.05)    0.90                 3
 04/04/2019   04:37:11   ( -68.12, -70.44) 04/04/2019   04:36:03  ( -68.13, -70.45)    1.63                68
 04/06/2019   19:12:39   ( -68.36,  70.40) 04/06/2019   19:13:35  ( -68.35,  70.42)    1.31                56
 04/06/2019   20:03:23   (  68.24,-122.14) 04/06/2019   20:03:02  (  68.24,-122.07)    2.77                21
 04/06/2019   20:53:53   ( -67.51,  46.08) 04/06/2019   20:52:43  ( -67.52,  44.73)   57.76                70
 04/09/2019   11:29:31   ( -68.30,-173.74) 04/09/2019   11:30:05  ( -68.29,-173.78)    1.67                34
 04/09/2019   12:20:15   (  68.18,  -6.28) 04/09/2019   12:19:32  (  68.18,  -6.27)    0.46                43
 04/12/2019   02:55:48   (  68.75, 134.13) 04/12/2019   02:56:59  (  68.61, 134.85)   33.48                71
 04/12/2019   03:46:23   ( -68.28, -57.94) 04/12/2019   03:46:33  ( -68.28, -57.91)    1.28                10
 04/12/2019   04:37:06   (  68.11, 109.58) 04/12/2019   04:36:01  (  68.11, 109.53)    2.47                65
 04/14/2019   19:12:34   (  68.37,-109.59) 04/14/2019   19:13:32  (  68.36,-109.57)    1.47                58
 04/14/2019   20:03:15   ( -68.22,  57.92) 04/14/2019   20:03:03  ( -68.20,  57.88)    2.40                12
 04/14/2019   20:53:49   (  67.57,-133.96) 04/14/2019   20:52:39  (  67.58,-135.20)   52.60                70