Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2018 2 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)
 02/09/2018   10:39:12   ( -68.90,-161.88) 02/09/2018   10:40:22  ( -68.77,-160.78)   46.28                70
 02/09/2018   11:29:47   (  68.28,   6.24) 02/09/2018   11:29:56  (  68.27,   6.25)    1.19                 9
 02/09/2018   12:20:28   ( -68.16, 173.72) 02/09/2018   12:19:26  ( -68.17, 173.76)    2.06                62
 02/12/2018   02:55:55   ( -68.35, -45.38) 02/12/2018   02:56:59  ( -68.34, -45.43)    2.24                64
 02/12/2018   03:46:39   (  68.22, 122.10) 02/12/2018   03:46:26  (  68.23, 122.07)    1.16                13
 02/12/2018   04:37:14   ( -67.77, -70.02) 02/12/2018   04:36:02  ( -67.79, -70.80)   32.84                72
 02/14/2018   19:12:47   ( -68.35,  70.41) 02/14/2018   19:13:27  ( -68.36,  70.46)    2.60                40
 02/14/2018   20:03:30   (  68.16,-122.05) 02/14/2018   20:02:55  (  68.18,-122.10)    2.87                35
 02/17/2018   10:39:09   (  69.01,  17.98) 02/17/2018   10:40:18  (  68.91,  19.39)   57.48                69
 02/17/2018   11:29:39   ( -68.29,-173.74) 02/17/2018   11:29:57  ( -68.31,-173.71)    2.61                18
 02/17/2018   12:20:23   (  68.16,  -6.27) 02/17/2018   12:19:25  (  68.13,  -6.28)    3.49                58
 02/20/2018   02:55:50   (  68.37, 134.62) 02/20/2018   02:56:57  (  68.35, 134.59)    2.13                67
 02/20/2018   03:46:31   ( -68.23, -57.89) 02/20/2018   03:46:27  ( -68.26, -57.89)    3.04                 4
 02/20/2018   04:37:10   (  67.84, 109.91) 02/20/2018   04:35:58  (  67.91, 109.34)   25.27                72