Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2018 10 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)
 10/04/2018   19:13:36   (  68.45,-109.69) 10/04/2018   19:14:21  (  68.47,-109.69)    2.27                45
 10/04/2018   20:04:17   ( -68.31,  57.80) 10/04/2018   20:03:52  ( -68.31,  57.75)    1.76                25
 10/07/2018   10:40:02   ( -69.38,-162.50) 10/07/2018   10:41:09  ( -69.28,-160.43)   82.26                67
 10/07/2018   11:30:30   (  68.40,   6.13) 10/07/2018   11:30:50  (  68.38,   6.09)    2.41                20
 10/07/2018   12:21:11   ( -68.26, 173.63) 10/07/2018   12:20:20  ( -68.29, 173.61)    2.64                51
 10/10/2018   02:56:40   ( -68.48, -45.51) 10/10/2018   02:57:51  ( -68.48, -45.55)    1.85                71
 10/10/2018   03:47:24   (  68.35, 121.96) 10/10/2018   03:47:18  (  68.36, 121.94)    1.08                 6
 10/10/2018   04:38:03   ( -68.11, -70.41) 10/10/2018   04:36:50  ( -68.15, -70.67)   11.87                73
 10/12/2018   19:13:35   ( -68.49,  70.24) 10/12/2018   19:14:19  ( -68.47,  70.31)    3.38                44
 10/12/2018   20:04:18   (  68.31,-122.22) 10/12/2018   20:03:46  (  68.34,-122.20)    3.42                32
 10/12/2018   20:54:41   ( -67.20,  46.46) 10/12/2018   20:53:34  ( -67.24,  44.17)   98.44                67
 10/15/2018   10:39:58   (  69.17,  17.77) 10/15/2018   10:41:07  (  69.04,  19.28)   61.61                69
 10/15/2018   11:30:27   ( -68.39,-173.86) 10/15/2018   11:30:47  ( -68.39,-173.90)    1.50                20
 10/15/2018   12:21:11   (  68.27,  -6.40) 10/15/2018   12:20:14  (  68.26,  -6.41)    0.40                57