Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2018 8 7.  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)
 08/07/2018   04:37:38   ( -68.24, -70.60) 08/07/2018   04:37:14  ( -68.21, -70.63)    3.35                24
 08/07/2018   05:28:04   (  67.14,  98.06) 08/07/2018   05:26:57  (  67.21,  95.87)   94.77                67
 08/09/2018   19:13:24   ( -69.25,  69.19) 08/09/2018   19:14:32  ( -69.17,  71.16)   77.96                68
 08/09/2018   20:03:53   (  68.32,-122.26) 08/09/2018   20:04:12  (  68.34,-122.24)    1.91                19
 08/09/2018   20:54:34   ( -68.18,  45.25) 08/09/2018   20:53:43  ( -68.17,  45.20)    2.12                51
 08/12/2018   11:30:04   ( -68.39,-173.88) 08/12/2018   11:31:13  ( -68.40,-173.92)    2.35                69
 08/12/2018   12:20:48   (  68.27,  -6.42) 08/12/2018   12:20:40  (  68.29,  -6.41)    2.22                 8
 08/12/2018   13:11:26   ( -67.96, 161.29) 08/12/2018   13:10:13  ( -68.01, 160.89)   17.47                73
 08/15/2018   03:47:00   ( -68.33, -58.04) 08/15/2018   03:47:42  ( -68.35, -58.11)    3.25                42
 08/15/2018   04:37:44   (  68.22, 109.41) 08/15/2018   04:37:09  (  68.23, 109.40)    1.86                35
 08/17/2018   19:13:24   (  68.92,-110.37) 08/17/2018   19:14:34  (  68.78,-109.32)   44.54                70
 08/17/2018   20:03:57   ( -68.33,  57.73) 08/17/2018   20:04:10  ( -68.34,  57.77)    2.37                13
 08/17/2018   20:54:40   (  68.17,-134.76) 08/17/2018   20:53:38  (  68.17,-134.79)    1.40                62
 08/20/2018   11:30:11   (  68.39,   6.10) 08/20/2018   11:31:09  (  68.38,   6.07)    1.59                58
 08/20/2018   12:20:53   ( -68.28, 173.56) 08/20/2018   12:20:39  ( -68.28, 173.57)    0.62                14
 08/20/2018   13:11:26   (  67.58, -18.26) 08/20/2018   13:10:16  (  67.60, -19.57)   55.47                70