Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 3 9.  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)
 03/11/2019   02:56:04   (  68.35, 134.57) 03/11/2019   02:57:01  (  68.37, 134.56)    2.18                57
 03/11/2019   03:46:45   ( -68.22, -57.95) 03/11/2019   03:46:32  ( -68.21, -57.99)    1.99                13
 03/11/2019   04:37:18   (  67.49, 110.26) 03/11/2019   04:36:09  (  67.53, 108.86)   59.66                69
 03/13/2019   19:12:56   (  68.30,-109.59) 03/13/2019   19:13:28  (  68.31,-109.63)    2.07                32
 03/13/2019   20:03:38   ( -68.22,  57.83) 03/13/2019   20:02:58  ( -68.21,  57.89)    2.65                40
 03/16/2019   10:39:12   ( -68.74,-161.70) 03/16/2019   10:40:23  ( -68.61,-161.01)   31.07                71
 03/16/2019   11:29:50   (  68.29,   6.20) 03/16/2019   11:29:54  (  68.26,   6.21)    3.32                 4
 03/16/2019   12:20:31   ( -68.15, 173.69) 03/16/2019   12:19:24  ( -68.16, 173.73)    2.08                67
 03/19/2019   02:55:59   ( -68.34, -45.40) 03/19/2019   02:56:51  ( -68.36, -45.42)    2.00                52
 03/19/2019   03:46:43   (  68.22, 122.06) 03/19/2019   03:46:18  (  68.22, 122.07)    0.76                25
 03/19/2019   04:37:10   ( -67.32, -69.52) 03/19/2019   04:36:01  ( -67.40, -71.24)   74.06                69
 03/21/2019   18:22:24   (  69.10, -97.96) 03/21/2019   18:23:33  (  68.99, -96.36)   64.93                69
 03/21/2019   19:12:53   ( -68.31,  70.41) 03/21/2019   19:13:14  ( -68.28,  70.40)    3.07                21
 03/21/2019   20:03:36   (  68.14,-122.06) 03/21/2019   20:02:41  (  68.15,-122.11)    2.34                55