Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2018 6 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)
 06/04/2018   03:46:49   (  68.36, 121.89) 06/04/2018   03:47:40  (  68.35, 121.94)    2.06                51
 06/04/2018   04:37:30   ( -68.23, -70.62) 06/04/2018   04:37:10  ( -68.25, -70.55)    3.20                20
 06/04/2018   05:27:59   (  67.29,  97.85) 06/04/2018   05:26:51  (  67.35,  96.06)   76.89                68
 06/06/2018   20:03:43   (  68.30,-122.26) 06/06/2018   20:04:11  (  68.31,-122.24)    0.94                28
 06/06/2018   20:54:24   ( -68.17,  45.23) 06/06/2018   20:53:42  ( -68.15,  45.20)    2.84                42
 06/09/2018   11:29:59   ( -68.70,-174.31) 06/09/2018   11:31:11  ( -68.60,-173.66)   28.66                72
 06/09/2018   12:20:37   (  68.25,  -6.41) 06/09/2018   12:20:42  (  68.26,  -6.42)    1.24                 5
 06/09/2018   13:11:18   ( -68.11, 161.08) 06/09/2018   13:10:13  ( -68.10, 161.02)    2.62                65
 06/12/2018   03:46:48   ( -68.38, -58.11) 06/12/2018   03:47:45  ( -68.38, -58.05)    2.53                57
 06/12/2018   04:37:31   (  68.19, 109.43) 06/12/2018   04:37:13  (  68.20, 109.39)    2.11                18
 06/12/2018   05:28:02   ( -67.52, -82.42) 06/12/2018   05:26:52  ( -67.60, -83.68)   54.20                70
 06/14/2018   20:03:41   ( -68.32,  57.73) 06/14/2018   20:04:15  ( -68.32,  57.76)    1.12                34
 06/14/2018   20:54:25   (  68.20,-134.80) 06/14/2018   20:53:42  (  68.20,-134.74)    2.46                43