Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2018 2 26.  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)
 02/28/2018   02:55:46   ( -68.59, -45.65) 02/28/2018   02:56:57  ( -68.52, -45.20)   19.88                71
 02/28/2018   03:46:26   (  68.25, 122.11) 02/28/2018   03:46:27  (  68.25, 122.12)    0.85                 1
 02/28/2018   04:37:07   ( -68.12, -70.41) 02/28/2018   04:35:57  ( -68.14, -70.38)    2.68                70
 03/02/2018   19:12:34   ( -68.33,  70.47) 03/02/2018   19:13:32  ( -68.34,  70.44)    1.56                58
 03/02/2018   20:03:18   (  68.20,-122.05) 03/02/2018   20:02:59  (  68.23,-122.04)    3.39                19
 03/02/2018   20:53:49   ( -67.53,  46.09) 03/02/2018   20:52:39  ( -67.57,  44.82)   54.23                70
 03/05/2018   11:29:25   ( -68.28,-173.68) 03/05/2018   11:30:04  ( -68.31,-173.73)    3.32                39
 03/05/2018   12:20:10   (  68.21,  -6.28) 03/05/2018   12:19:31  (  68.20,  -6.22)    2.96                39
 03/08/2018   02:55:49   (  69.07, 133.73) 03/08/2018   02:56:57  (  68.98, 135.33)   64.49                68
 03/08/2018   03:46:18   ( -68.29, -57.91) 03/08/2018   03:46:38  ( -68.26, -57.92)    2.70                20
 03/08/2018   04:37:02   (  68.17, 109.56) 03/08/2018   04:36:05  (  68.15, 109.59)    2.23                57
 03/10/2018   19:12:30   (  68.44,-109.64) 03/10/2018   19:13:41  (  68.42,-109.50)    6.01                71
 03/10/2018   20:03:10   ( -68.24,  57.93) 03/10/2018   20:03:12  ( -68.27,  57.95)    2.85                 2
 03/10/2018   20:53:53   (  68.07,-134.54) 03/10/2018   20:52:40  (  68.10,-134.61)    4.06                73