Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2018 3 2.  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)
 03/02/2018   19:12:36   ( -68.33,  70.46) 03/02/2018   19:13:29  ( -68.33,  70.45)    0.56                53
 03/02/2018   20:03:20   (  68.19,-122.05) 03/02/2018   20:02:56  (  68.22,-122.04)    3.24                24
 03/02/2018   20:53:48   ( -67.36,  46.28) 03/02/2018   20:52:39  ( -67.39,  44.64)   70.30                69
 03/05/2018   10:39:08   (  69.33,  17.55) 03/05/2018   10:40:15  (  69.21,  19.79)   89.38                67
 03/05/2018   11:29:32   ( -68.29,-173.73) 03/05/2018   11:30:00  ( -68.27,-173.74)    2.59                28
 03/05/2018   12:20:16   (  68.16,  -6.24) 03/05/2018   12:19:27  (  68.15,  -6.24)    0.42                49
 03/08/2018   02:55:48   (  68.45, 134.52) 03/08/2018   02:56:59  (  68.42, 134.68)    7.14                71
 03/08/2018   03:46:28   ( -68.26, -57.92) 03/08/2018   03:46:30  ( -68.27, -57.87)    2.04                 2
 03/08/2018   04:37:11   (  68.07, 109.63) 03/08/2018   04:35:58  (  68.09, 109.57)    3.19                73
 03/10/2018   19:12:42   (  68.31,-109.54) 03/10/2018   19:13:31  (  68.30,-109.59)    2.25                49
 03/10/2018   20:03:24   ( -68.23,  57.89) 03/10/2018   20:03:01  ( -68.20,  57.93)    3.27                23
 03/10/2018   20:53:51   (  67.18,-133.52) 03/10/2018   20:52:44  (  67.19,-135.58)   88.82                67
 03/13/2018   10:39:11   ( -69.37,-162.51) 03/13/2018   10:40:18  ( -69.24,-160.17)   92.96                67
 03/13/2018   11:29:37   (  68.28,   6.26) 03/13/2018   11:30:00  (  68.29,   6.28)    1.21                23
 03/13/2018   12:20:18   ( -68.14, 173.76) 03/13/2018   12:19:31  ( -68.14, 173.73)    1.20                47
 03/16/2018   02:55:51   ( -68.49, -45.54) 03/16/2018   02:57:02  ( -68.46, -45.29)   10.83                71
 03/16/2018   03:46:32   (  68.20, 122.13) 03/16/2018   03:46:31  (  68.23, 122.08)    3.20                 1