Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 6 9.  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)
 06/09/2019   18:22:41   (  69.17, -98.11) 06/09/2019   18:23:49  (  69.09, -96.32)   71.78                68
 06/09/2019   19:13:09   ( -68.33,  70.32) 06/09/2019   19:13:31  ( -68.31,  70.35)    3.13                22
 06/09/2019   20:03:53   (  68.21,-122.20) 06/09/2019   20:02:58  (  68.20,-122.14)    2.90                55
 06/12/2019   10:39:23   (  68.40,  18.69) 06/12/2019   10:40:29  (  68.42,  18.73)    2.34                66
 06/12/2019   11:30:04   ( -68.26,-173.82) 06/12/2019   11:30:00  ( -68.26,-173.83)    1.16                 4
 06/12/2019   12:20:43   (  67.87,  -6.01) 06/12/2019   12:19:31  (  67.92,  -6.58)   24.66                72
 06/15/2019   02:56:18   (  68.34, 134.54) 06/15/2019   02:56:58  (  68.35, 134.54)    1.83                40
 06/15/2019   03:46:59   ( -68.20, -57.96) 06/15/2019   03:46:29  ( -68.20, -58.02)    2.27                30
 06/17/2019   18:22:41   ( -69.04,  82.07) 06/17/2019   18:23:50  ( -68.96,  83.53)   58.89                69
 06/17/2019   19:13:13   (  68.27,-109.61) 06/17/2019   19:13:27  (  68.28,-109.66)    2.51                14
 06/17/2019   20:03:55   ( -68.19,  57.82) 06/17/2019   20:02:57  ( -68.19,  57.85)    1.43                58
 06/20/2019   10:39:24   ( -68.39,-161.30) 06/20/2019   10:40:27  ( -68.39,-161.30)    0.64                63
 06/20/2019   11:30:08   (  68.27,   6.17) 06/20/2019   11:29:54  (  68.27,   6.20)    1.27                14
 06/20/2019   12:20:42   ( -67.75, 174.14) 06/20/2019   12:19:31  ( -67.78, 173.26)   36.97                71