Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 7 8.  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)
 07/09/2019   02:06:00   (  69.35, 145.84) 07/09/2019   02:07:07  (  69.21, 148.00)   86.39                67
 07/09/2019   02:56:24   ( -68.32, -45.44) 07/09/2019   02:56:51  ( -68.33, -45.48)    1.95                27
 07/09/2019   03:47:09   (  68.23, 121.98) 07/09/2019   03:46:18  (  68.21, 122.03)    3.14                51
 07/11/2019   18:22:39   (  68.45, -97.16) 07/11/2019   18:23:49  (  68.43, -97.10)    2.83                70
 07/11/2019   19:13:19   ( -68.26,  70.40) 07/11/2019   19:13:20  ( -68.28,  70.35)    2.55                 1
 07/11/2019   20:04:01   (  68.02,-121.99) 07/11/2019   20:02:49  (  68.05,-122.28)   12.59                72
 07/14/2019   10:39:33   (  68.40,  18.67) 07/14/2019   10:40:17  (  68.37,  18.71)    3.30                44
 07/14/2019   11:30:14   ( -68.27,-173.84) 07/14/2019   11:29:47  ( -68.27,-173.77)    2.76                27
 07/17/2019   02:05:58   ( -69.23, -33.99) 07/17/2019   02:07:06  ( -69.15, -32.08)   75.86                68
 07/17/2019   02:56:27   (  68.30, 134.57) 07/17/2019   02:56:46  (  68.30, 134.51)    2.38                19
 07/17/2019   03:47:09   ( -68.22, -58.01) 07/17/2019   03:46:16  ( -68.21, -57.97)    2.05                53
 07/19/2019   18:22:38   ( -68.38,  82.93) 07/19/2019   18:23:47  ( -68.41,  82.88)    3.34                69
 07/19/2019   19:13:22   (  68.26,-109.60) 07/19/2019   19:13:14  (  68.28,-109.63)    2.79                 8
 07/19/2019   20:04:00   ( -67.96,  58.09) 07/19/2019   20:02:47  ( -68.02,  57.69)   17.95                73