Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 6 14.  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)
 06/15/2019   02:56:18   (  68.32, 134.56) 06/15/2019   02:56:59  (  68.32, 134.50)    2.75                41
 06/15/2019   03:47:00   ( -68.24, -58.01) 06/15/2019   03:46:29  ( -68.21, -58.00)    3.11                31
 06/17/2019   18:22:40   ( -69.02,  82.09) 06/17/2019   18:23:50  ( -68.92,  83.48)   56.75                70
 06/17/2019   19:13:13   (  68.31,-109.65) 06/17/2019   19:13:26  (  68.31,-109.63)    0.85                13
 06/17/2019   20:03:54   ( -68.17,  57.84) 06/17/2019   20:02:57  ( -68.15,  57.81)    2.62                57
 06/20/2019   10:39:24   ( -68.37,-161.27) 06/20/2019   10:40:28  ( -68.36,-161.33)    2.90                64
 06/20/2019   11:30:08   (  68.24,   6.20) 06/20/2019   11:29:55  (  68.23,   6.17)    1.58                13
 06/20/2019   12:20:42   ( -67.73, 174.16) 06/20/2019   12:19:31  ( -67.80, 173.29)   37.58                71
 06/23/2019   02:56:20   ( -68.36, -45.49) 06/23/2019   02:56:56  ( -68.34, -45.47)    2.01                36
 06/23/2019   03:47:04   (  68.23, 121.98) 06/23/2019   03:46:23  (  68.21, 122.02)    2.69                41
 06/25/2019   18:22:39   (  68.70, -97.49) 06/25/2019   18:23:50  (  68.63, -96.87)   26.55                71
 06/25/2019   19:13:15   ( -68.29,  70.36) 06/25/2019   19:13:24  ( -68.31,  70.38)    2.54                 9
 06/25/2019   20:03:59   (  68.17,-122.17) 06/25/2019   20:02:51  (  68.18,-122.13)    2.43                68