Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 3 29.  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)
 03/29/2019   19:12:46   (  68.34,-109.60) 03/29/2019   19:13:34  (  68.32,-109.61)    1.83                48
 03/29/2019   20:03:27   ( -68.21,  57.88) 03/29/2019   20:03:04  ( -68.22,  57.89)    0.73                23
 03/29/2019   20:53:54   (  67.16,-133.53) 03/29/2019   20:52:47  (  67.21,-135.61)   90.18                67
 04/01/2019   11:29:38   (  68.27,   6.26) 04/01/2019   11:30:04  (  68.27,   6.20)    2.51                26
 04/01/2019   12:20:20   ( -68.19, 173.68) 04/01/2019   12:19:34  ( -68.17, 173.71)    3.28                46
 04/04/2019   02:55:51   ( -68.65, -45.76) 04/04/2019   02:57:02  ( -68.55, -45.22)   24.66                71
 04/04/2019   03:46:30   (  68.26, 122.06) 04/04/2019   03:46:32  (  68.27, 122.08)    1.13                 2
 04/04/2019   04:37:11   ( -68.13, -70.45) 04/04/2019   04:36:03  ( -68.11, -70.47)    1.76                68
 04/06/2019   19:12:39   ( -68.37,  70.39) 04/06/2019   19:13:34  ( -68.38,  70.45)    2.73                55
 04/06/2019   20:03:22   (  68.20,-122.08) 04/06/2019   20:03:02  (  68.20,-122.12)    1.41                20
 04/06/2019   20:53:52   ( -67.47,  46.14) 04/06/2019   20:52:42  ( -67.55,  44.76)   59.42                70
 04/09/2019   11:29:31   ( -68.31,-173.75) 04/09/2019   11:30:04  ( -68.31,-173.75)    0.19                33
 04/09/2019   12:20:15   (  68.19,  -6.30) 04/09/2019   12:19:31  (  68.19,  -6.25)    1.94                44
 04/12/2019   02:55:48   (  68.72, 134.17) 04/12/2019   02:56:59  (  68.61, 134.86)   30.52                71