Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2018 3 5.  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   (  69.34,  17.55) 03/05/2018   10:40:14  (  69.25,  19.86)   91.51                66
 03/05/2018   11:29:32   ( -68.30,-173.74) 03/05/2018   11:29:59  ( -68.31,-173.69)    2.50                27
 03/05/2018   12:20:16   (  68.16,  -6.25) 03/05/2018   12:19:27  (  68.15,  -6.24)    1.75                49
 03/08/2018   02:55:48   (  68.45, 134.51) 03/08/2018   02:56:59  (  68.40, 134.66)    8.60                71
 03/08/2018   03:46:27   ( -68.22, -57.86) 03/08/2018   03:46:30  ( -68.24, -57.90)    2.89                 3
 03/08/2018   04:37:11   (  68.08, 109.62) 03/08/2018   04:35:58  (  68.07, 109.55)    3.19                73
 03/10/2018   19:12:42   (  68.32,-109.55) 03/10/2018   19:13:30  (  68.31,-109.56)    1.03                48
 03/10/2018   20:03:23   ( -68.19,  57.94) 03/10/2018   20:03:00  ( -68.21,  57.95)    2.65                23
 03/10/2018   20:53:50   (  67.14,-133.47) 03/10/2018   20:52:43  (  67.20,-135.56)   90.35                67
 03/13/2018   10:39:10   ( -69.34,-162.46) 03/13/2018   10:40:17  ( -69.23,-160.18)   90.48                67
 03/13/2018   11:29:37   (  68.30,   6.24) 03/13/2018   11:29:59  (  68.28,   6.27)    3.20                22
 03/13/2018   12:20:18   ( -68.16, 173.73) 03/13/2018   12:19:29  ( -68.18, 173.79)    2.49                49
 03/16/2018   02:55:49   ( -68.41, -45.44) 03/16/2018   02:57:01  ( -68.40, -45.34)    4.01                72
 03/16/2018   03:46:32   (  68.23, 122.10) 03/16/2018   03:46:29  (  68.23, 122.10)    0.27                 3
 03/16/2018   04:37:13   ( -68.09, -70.40) 03/16/2018   04:36:00  ( -68.07, -70.45)    2.65                73
 03/18/2018   19:12:44   ( -68.33,  70.42) 03/18/2018   19:13:31  ( -68.35,  70.48)    2.65                47
 03/18/2018   20:03:27   (  68.16,-122.05) 03/18/2018   20:02:59  (  68.17,-122.09)    2.08                28
 03/18/2018   20:53:52   ( -67.15,  46.50) 03/18/2018   20:52:45  ( -67.18,  44.41)   89.92                67