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   (  68.35, 121.90) 06/04/2018   03:47:40  (  68.37, 121.96)    2.53                51
 06/04/2018   04:37:30   ( -68.23, -70.61) 06/04/2018   04:37:11  ( -68.20, -70.61)    2.84                19
 06/04/2018   05:27:59   (  67.28,  97.86) 06/04/2018   05:26:51  (  67.36,  96.08)   76.77                68
 06/06/2018   20:03:43   (  68.30,-122.25) 06/06/2018   20:04:12  (  68.28,-122.28)    2.87                29
 06/06/2018   20:54:24   ( -68.17,  45.23) 06/06/2018   20:53:42  ( -68.17,  45.23)    0.18                42
 06/09/2018   11:30:00   ( -68.75,-174.38) 06/09/2018   11:31:11  ( -68.64,-173.61)   33.67                71
 06/09/2018   12:20:37   (  68.25,  -6.41) 06/09/2018   12:20:43  (  68.24,  -6.44)    1.39                 6
 06/09/2018   13:11:18   ( -68.12, 161.08) 06/09/2018   13:10:13  ( -68.14, 161.07)    3.05                65
 06/12/2018   03:46:46   ( -68.33, -58.05) 06/12/2018   03:47:46  ( -68.33, -58.11)    2.71                60
 06/12/2018   04:37:30   (  68.20, 109.43) 06/12/2018   04:37:13  (  68.21, 109.39)    2.23                17
 06/12/2018   05:28:02   ( -67.58, -82.49) 06/12/2018   05:26:51  ( -67.67, -83.61)   48.40                71
 06/14/2018   20:03:41   ( -68.33,  57.72) 06/14/2018   20:04:17  ( -68.31,  57.73)    2.73                36
 06/14/2018   20:54:25   (  68.20,-134.81) 06/14/2018   20:53:44  (  68.18,-134.77)    2.73                41