Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2017 8 7.  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)
 08/09/2017   10:39:26   (  69.03,  17.96) 08/09/2017   10:40:35  (  68.92,  19.30)   55.08                69
 08/09/2017   11:29:57   ( -68.35,-173.81) 08/09/2017   11:30:14  ( -68.32,-173.81)    2.92                17
 08/09/2017   12:20:41   (  68.23,  -6.35) 08/09/2017   12:19:41  (  68.21,  -6.30)    3.34                60
 08/12/2017   02:56:12   (  68.41, 134.55) 08/12/2017   02:57:14  (  68.41, 134.55)    0.05                62
 08/12/2017   03:46:54   ( -68.31, -58.01) 08/12/2017   03:46:44  ( -68.31, -57.95)    2.59                10
 08/12/2017   04:37:29   (  67.71, 110.05) 08/12/2017   04:36:18  (  67.80, 109.10)   41.15                71
 08/14/2017   19:13:09   (  68.39,-109.66) 08/14/2017   19:13:44  (  68.40,-109.60)    2.47                35
 08/14/2017   20:03:50   ( -68.23,  57.86) 08/14/2017   20:03:15  ( -68.24,  57.84)    1.21                35
 08/17/2017   10:39:31   ( -68.95,-161.95) 08/17/2017   10:40:41  ( -68.82,-160.85)   46.45                70
 08/17/2017   11:30:05   (  68.31,   6.21) 08/17/2017   11:30:15  (  68.31,   6.18)    1.51                10
 08/17/2017   12:20:47   ( -68.20, 173.66) 08/17/2017   12:19:45  ( -68.21, 173.69)    1.56                62
 08/20/2017   02:56:17   ( -68.39, -45.44) 08/20/2017   02:57:17  ( -68.39, -45.49)    2.39                60
 08/20/2017   03:47:01   (  68.28, 122.00) 08/20/2017   03:46:44  (  68.28, 122.01)    0.86                17
 08/20/2017   04:37:33   ( -67.64, -69.87) 08/20/2017   04:36:23  ( -67.67, -71.06)   50.41                70