Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 1 31.  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)
 02/01/2019   18:22:40   (  68.73, -97.53) 02/01/2019   18:23:51  (  68.59, -96.87)   30.93                71
 02/01/2019   19:13:14   ( -68.27,  70.39) 02/01/2019   19:13:24  ( -68.27,  70.37)    0.84                10
 02/01/2019   20:03:58   (  68.15,-122.14) 02/01/2019   20:02:51  (  68.15,-122.13)    0.70                67
 02/04/2019   10:39:26   (  68.35,  18.75) 02/04/2019   10:40:23  (  68.33,  18.69)    3.46                57
 02/04/2019   11:30:07   ( -68.21,-173.76) 02/04/2019   11:29:53  ( -68.23,-173.79)    2.61                14
 02/04/2019   12:20:40   (  67.49,  -5.56) 02/04/2019   12:19:30  (  67.55,  -6.94)   58.94                70
 02/07/2019   02:56:20   (  68.34, 134.53) 02/07/2019   02:56:51  (  68.34, 134.59)    2.42                31
 02/07/2019   03:47:01   ( -68.20, -57.98) 02/07/2019   03:46:22  ( -68.19, -57.96)    1.61                39
 02/09/2019   18:22:37   ( -68.83,  82.35) 02/09/2019   18:23:48  ( -68.70,  83.27)   39.82                71
 02/09/2019   19:13:13   (  68.29,-109.62) 02/09/2019   19:13:20  (  68.30,-109.58)    2.01                 7
 02/09/2019   20:03:54   ( -68.15,  57.87) 02/09/2019   20:02:51  ( -68.15,  57.87)    0.62                63
 02/12/2019   10:39:23   ( -68.40,-161.31) 02/12/2019   10:40:22  ( -68.38,-161.24)    3.32                59
 02/12/2019   11:30:05   (  68.23,   6.22) 02/12/2019   11:29:48  (  68.25,   6.25)    2.78                17
 02/12/2019   12:20:37   ( -67.60, 174.32) 02/12/2019   12:19:27  ( -67.66, 173.19)   48.22                70