Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 1 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)
 01/27/2019   10:39:28   ( -68.35,-161.26) 01/27/2019   10:40:27  ( -68.34,-161.31)    2.57                59
 01/27/2019   11:30:12   (  68.23,   6.21) 01/27/2019   11:29:54  (  68.24,   6.20)    1.02                18
 01/27/2019   12:20:43   ( -67.55, 174.37) 01/27/2019   12:19:33  ( -67.62, 173.12)   53.27                70
 01/30/2019   02:56:22   ( -68.34, -45.47) 01/30/2019   02:56:56  ( -68.32, -45.46)    2.53                34
 01/30/2019   03:47:06   (  68.22, 122.00) 01/30/2019   03:46:23  (  68.21, 122.05)    2.53                43
 02/01/2019   18:22:40   (  68.74, -97.54) 02/01/2019   18:23:51  (  68.63, -96.84)   31.03                71
 02/01/2019   19:13:15   ( -68.28,  70.39) 02/01/2019   19:13:25  ( -68.30,  70.40)    2.46                10
 02/01/2019   20:03:59   (  68.16,-122.15) 02/01/2019   20:02:53  (  68.13,-122.16)    3.16                66
 02/04/2019   10:39:26   (  68.36,  18.74) 02/04/2019   10:40:23  (  68.39,  18.75)    3.18                57
 02/04/2019   11:30:07   ( -68.22,-173.76) 02/04/2019   11:29:54  ( -68.23,-173.81)    2.36                13
 02/04/2019   12:20:40   (  67.50,  -5.57) 02/04/2019   12:19:31  (  67.55,  -6.95)   58.68                69
 02/07/2019   02:56:19   (  68.30, 134.58) 02/07/2019   02:56:53  (  68.32, 134.55)    2.54                34
 02/07/2019   03:47:01   ( -68.21, -57.99) 02/07/2019   03:46:23  ( -68.23, -57.93)    2.71                38
 02/09/2019   18:22:38   ( -68.90,  82.26) 02/09/2019   18:23:48  ( -68.83,  83.41)   46.92                70
 02/09/2019   19:13:12   (  68.25,-109.57) 02/09/2019   19:13:23  (  68.26,-109.64)    3.20                11
 02/09/2019   20:03:54   ( -68.16,  57.86) 02/09/2019   20:02:53  ( -68.17,  57.88)    1.95                61