Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2018 6 5.  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)
 06/06/2018   20:03:43   (  68.29,-122.24) 06/06/2018   20:04:11  (  68.31,-122.24)    2.22                28
 06/06/2018   20:54:24   ( -68.16,  45.24) 06/06/2018   20:53:42  ( -68.15,  45.20)    2.17                42
 06/09/2018   11:29:59   ( -68.69,-174.30) 06/09/2018   11:31:11  ( -68.58,-173.68)   27.99                72
 06/09/2018   12:20:37   (  68.24,  -6.40) 06/09/2018   12:20:42  (  68.24,  -6.44)    1.97                 5
 06/09/2018   13:11:19   ( -68.16, 161.02) 06/09/2018   13:10:12  ( -68.14, 161.07)    3.20                67
 06/12/2018   03:46:46   ( -68.32, -58.04) 06/12/2018   03:47:44  ( -68.34, -58.10)    3.30                58
 06/12/2018   04:37:31   (  68.24, 109.37) 06/12/2018   04:37:11  (  68.22, 109.40)    3.01                20
 06/12/2018   05:28:01   ( -67.52, -82.41) 06/12/2018   05:26:51  ( -67.56, -83.72)   55.91                70
 06/14/2018   20:03:41   ( -68.32,  57.73) 06/14/2018   20:04:14  ( -68.30,  57.74)    2.21                33
 06/14/2018   20:54:25   (  68.19,-134.79) 06/14/2018   20:53:41  (  68.18,-134.76)    2.00                44
 06/17/2018   11:29:59   (  68.68,   5.72) 06/17/2018   11:31:10  (  68.57,   6.31)   26.81                71
 06/17/2018   12:20:35   ( -68.28, 173.57) 06/17/2018   12:20:44  ( -68.26, 173.56)    2.13                 9
 06/17/2018   13:11:19   (  68.15, -18.96) 06/17/2018   13:10:11  (  68.13, -18.94)    2.20                68