Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2017 8 4.  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)
 08/06/2017   19:13:01   ( -68.39,  70.37) 08/06/2017   19:13:44  ( -68.37,  70.37)    2.26                43
 08/06/2017   20:03:45   (  68.27,-122.17) 08/06/2017   20:03:11  (  68.25,-122.12)    2.84                34
 08/09/2017   10:39:27   (  69.04,  17.94) 08/09/2017   10:40:36  (  68.92,  19.30)   55.97                69
 08/09/2017   11:29:58   ( -68.35,-173.82) 08/09/2017   11:30:15  ( -68.32,-173.80)    3.31                17
 08/09/2017   12:20:41   (  68.19,  -6.30) 08/09/2017   12:19:42  (  68.21,  -6.30)    2.29                59
 08/12/2017   02:56:12   (  68.42, 134.53) 08/12/2017   02:57:14  (  68.44, 134.57)    2.08                62
 08/12/2017   03:46:53   ( -68.27, -57.95) 08/12/2017   03:46:45  ( -68.28, -57.98)    2.07                 8
 08/12/2017   04:37:29   (  67.73, 110.04) 08/12/2017   04:36:18  (  67.83, 109.13)   39.89                71
 08/14/2017   19:13:09   (  68.40,-109.67) 08/14/2017   19:13:45  (  68.39,-109.61)    2.64                36
 08/14/2017   20:03:50   ( -68.24,  57.85) 08/14/2017   20:03:16  ( -68.24,  57.84)    0.50                34
 08/17/2017   10:39:32   ( -69.01,-162.03) 08/17/2017   10:40:42  ( -68.86,-160.80)   51.99                70
 08/17/2017   11:30:05   (  68.32,   6.20) 08/17/2017   11:30:17  (  68.30,   6.15)    3.16                12
 08/17/2017   12:20:47   ( -68.21, 173.65) 08/17/2017   12:19:47  ( -68.20, 173.67)    1.30                60