Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2018 2 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)
 02/04/2018   02:56:02   (  68.35, 134.60) 02/04/2018   02:56:56  (  68.35, 134.60)    0.53                54
 02/04/2018   03:46:43   ( -68.22, -57.92) 02/04/2018   03:46:27  ( -68.20, -57.96)    3.32                16
 02/04/2018   04:37:14   (  67.38, 110.42) 02/04/2018   04:36:05  (  67.46, 108.84)   67.64                69
 02/06/2018   19:12:54   (  68.28,-109.54) 02/06/2018   19:13:26  (  68.30,-109.58)    2.79                32
 02/06/2018   20:03:36   ( -68.21,  57.87) 02/06/2018   20:02:56  ( -68.21,  57.93)    2.60                40
 02/09/2018   10:39:12   ( -68.88,-161.86) 02/09/2018   10:40:22  ( -68.76,-160.79)   45.38                70
 02/09/2018   11:29:47   (  68.27,   6.25) 02/09/2018   11:29:56  (  68.24,   6.23)    3.30                 9
 02/09/2018   12:20:28   ( -68.14, 173.73) 02/09/2018   12:19:26  ( -68.15, 173.75)    1.01                62
 02/12/2018   02:55:54   ( -68.34, -45.36) 02/12/2018   02:56:57  ( -68.36, -45.40)    2.80                63
 02/12/2018   03:46:38   (  68.21, 122.11) 02/12/2018   03:46:24  (  68.23, 122.10)    2.53                14
 02/12/2018   04:37:12   ( -67.70, -69.94) 02/12/2018   04:36:01  ( -67.75, -70.83)   38.09                71
 02/14/2018   19:12:47   ( -68.33,  70.43) 02/14/2018   19:13:26  ( -68.35,  70.47)    2.32                39
 02/14/2018   20:03:31   (  68.21,-122.11) 02/14/2018   20:02:53  (  68.21,-122.04)    2.76                38