Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2018 3 4.  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)
 03/05/2018   10:39:08   (  69.33,  17.55) 03/05/2018   10:40:15  (  69.21,  19.81)   89.68                67
 03/05/2018   11:29:32   ( -68.29,-173.73) 03/05/2018   11:30:00  ( -68.28,-173.73)    1.94                28
 03/05/2018   12:20:16   (  68.15,  -6.24) 03/05/2018   12:19:27  (  68.16,  -6.22)    0.98                49
 03/08/2018   02:55:48   (  68.45, 134.52) 03/08/2018   02:56:59  (  68.43, 134.70)    7.72                71
 03/08/2018   03:46:27   ( -68.21, -57.86) 03/08/2018   03:46:31  ( -68.22, -57.92)    2.78                 4
 03/08/2018   04:37:11   (  68.08, 109.62) 03/08/2018   04:35:58  (  68.10, 109.59)    3.35                73
 03/10/2018   19:12:42   (  68.32,-109.55) 03/10/2018   19:13:31  (  68.32,-109.55)    0.30                49
 03/10/2018   20:03:23   ( -68.19,  57.94) 03/10/2018   20:03:02  ( -68.17,  57.89)    2.85                21
 03/10/2018   20:53:51   (  67.19,-133.53) 03/10/2018   20:52:44  (  67.21,-135.55)   87.12                67
 03/13/2018   10:39:11   ( -69.39,-162.54) 03/13/2018   10:40:17  ( -69.33,-160.05)   97.67                66
 03/13/2018   11:29:36   (  68.25,   6.31) 03/13/2018   11:30:01  (  68.27,   6.26)    3.06                25
 03/13/2018   12:20:18   ( -68.16, 173.74) 03/13/2018   12:19:31  ( -68.17, 173.78)    1.87                47
 03/16/2018   02:55:51   ( -68.52, -45.58) 03/16/2018   02:57:03  ( -68.45, -45.29)   13.92                72
 03/16/2018   03:46:32   (  68.23, 122.10) 03/16/2018   03:46:32  (  68.22, 122.08)    1.96                 0
 03/16/2018   04:37:13   ( -68.09, -70.41) 03/16/2018   04:36:02  ( -68.12, -70.41)    3.32                71