Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2018 10 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)
 10/31/2018   10:39:47   (  68.70,  18.37) 10/31/2018   10:40:59  (  68.61,  18.81)   20.34                72
 10/31/2018   11:30:24   ( -68.36,-173.86) 10/31/2018   11:30:31  ( -68.39,-173.83)    3.19                 7
 10/31/2018   12:21:08   (  68.22,  -6.38) 10/31/2018   12:19:59  (  68.22,  -6.38)    0.33                69
 11/03/2018   02:56:38   (  68.46, 134.46) 11/03/2018   02:57:28  (  68.47, 134.52)    2.63                50
 11/03/2018   03:47:19   ( -68.33, -58.06) 11/03/2018   03:46:59  ( -68.30, -58.04)    3.06                20
 11/03/2018   04:37:48   (  67.38, 110.42) 11/03/2018   04:36:40  (  67.40, 108.56)   79.48                68
 11/05/2018   18:23:06   ( -69.47,  81.53) 11/05/2018   18:24:13  ( -69.37,  83.91)   93.44                67
 11/05/2018   19:13:32   (  68.38,-109.67) 11/05/2018   19:13:56  (  68.36,-109.72)    2.66                24
 11/05/2018   20:04:13   ( -68.25,  57.81) 11/05/2018   20:03:26  ( -68.26,  57.79)    1.48                47
 11/08/2018   10:39:43   ( -68.48,-161.35) 11/08/2018   10:40:55  ( -68.47,-161.34)    1.30                72
 11/08/2018   11:30:27   (  68.35,   6.12) 11/08/2018   11:30:22  (  68.35,   6.16)    1.62                 5
 11/08/2018   12:21:07   ( -68.17, 173.68) 11/08/2018   12:19:53  ( -68.20, 173.61)    4.33                74
 11/11/2018   02:56:36   ( -68.41, -45.49) 11/11/2018   02:57:21  ( -68.40, -45.54)    2.30                45
 11/11/2018   03:47:20   (  68.28, 121.98) 11/11/2018   03:46:48  (  68.27, 121.96)    1.60                32
 11/13/2018   18:22:59   (  69.01, -97.85) 11/13/2018   18:24:09  (  68.90, -96.65)   49.24                70
 11/13/2018   19:13:31   ( -68.39,  70.30) 11/13/2018   19:13:47  ( -68.36,  70.31)    3.21                16
 11/13/2018   20:04:14   (  68.21,-122.16) 11/13/2018   20:03:14  (  68.23,-122.20)    2.49                60