Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 3 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)
 03/27/2019   04:37:16   (  67.96, 109.72) 03/27/2019   04:36:04  (  68.00, 109.40)   14.11                72
 03/29/2019   19:12:45   (  68.32,-109.57) 03/29/2019   19:13:30  (  68.33,-109.59)    2.04                45
 03/29/2019   20:03:26   ( -68.19,  57.91) 03/29/2019   20:03:01  ( -68.17,  57.85)    3.14                25
 04/01/2019   10:39:07   ( -69.12,-162.18) 04/01/2019   10:40:15  ( -69.01,-160.49)   68.29                68
 04/01/2019   11:29:37   (  68.25,   6.30) 04/01/2019   11:29:53  (  68.27,   6.24)    3.39                16
 04/01/2019   12:20:19   ( -68.17, 173.72) 04/01/2019   12:19:23  ( -68.17, 173.76)    1.63                56
 04/04/2019   02:55:46   ( -68.36, -45.38) 04/04/2019   02:56:45  ( -68.35, -45.38)    1.20                59
 04/04/2019   03:46:30   (  68.24, 122.09) 04/04/2019   03:46:12  (  68.21, 122.10)    2.71                18
 04/04/2019   04:37:01   ( -67.56, -69.75) 04/04/2019   04:35:51  ( -67.61, -70.97)   51.80                70
 04/06/2019   18:22:10   (  69.13, -97.95) 04/06/2019   18:23:18  (  69.07, -96.18)   70.54                68
 04/06/2019   19:12:38   ( -68.29,  70.49) 04/06/2019   19:13:00  ( -68.30,  70.49)    0.59                22
 04/06/2019   20:03:22   (  68.17,-122.05) 04/06/2019   20:02:27  (  68.15,-122.03)    2.41                55
 04/09/2019   10:38:47   (  68.32,  18.92) 04/09/2019   10:39:40  (  68.34,  18.88)    3.16                53
 04/09/2019   11:29:29   ( -68.23,-173.65) 04/09/2019   11:29:10  ( -68.24,-173.61)    2.56                19
 04/09/2019   12:19:58   (  67.30,  -5.20) 04/09/2019   12:18:50  (  67.37,  -6.97)   76.05                68