Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 2 7.  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)
 02/07/2019   02:56:20   (  68.32, 134.55) 02/07/2019   02:56:54  (  68.34, 134.56)    1.63                34
 02/07/2019   03:47:01   ( -68.19, -57.96) 02/07/2019   03:46:25  ( -68.18, -58.00)    2.55                36
 02/09/2019   18:22:38   ( -68.93,  82.21) 02/09/2019   18:23:48  ( -68.84,  83.41)   48.97                70
 02/09/2019   19:13:12   (  68.27,-109.60) 02/09/2019   19:13:23  (  68.29,-109.63)    2.36                11
 02/09/2019   20:03:54   ( -68.19,  57.82) 02/09/2019   20:02:53  ( -68.18,  57.88)    2.74                61
 02/12/2019   10:39:22   ( -68.39,-161.30) 02/12/2019   10:40:25  ( -68.40,-161.26)    1.71                63
 02/12/2019   11:30:05   (  68.21,   6.24) 02/12/2019   11:29:53  (  68.22,   6.18)    3.06                12
 02/12/2019   12:20:40   ( -67.75, 174.13) 02/12/2019   12:19:28  ( -67.85, 173.37)   33.74                72
 02/15/2019   02:56:15   ( -68.34, -45.45) 02/15/2019   02:56:55  ( -68.33, -45.46)    0.59                40
 02/15/2019   03:46:59   (  68.21, 122.02) 02/15/2019   03:46:22  (  68.21, 122.04)    1.02                37
 02/17/2019   18:22:37   (  68.96, -97.82) 02/17/2019   18:23:46  (  68.86, -96.57)   51.39                69
 02/17/2019   19:13:08   ( -68.28,  70.39) 02/17/2019   19:13:24  ( -68.31,  70.40)    3.34                16
 02/17/2019   20:03:52   (  68.16,-122.14) 02/17/2019   20:02:52  (  68.13,-122.17)    3.10                60
 02/20/2019   10:39:19   (  68.37,  18.74) 02/20/2019   10:40:22  (  68.38,  18.73)    1.01                63
 02/20/2019   11:30:00   ( -68.23,-173.77) 02/20/2019   11:29:53  ( -68.23,-173.82)    2.24                 7
 02/20/2019   12:20:37   (  67.73,  -5.83) 02/20/2019   12:19:26  (  67.77,  -6.71)   37.34                71