Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2016 9 10.  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)
 09/12/2016   18:22:49   ( -69.08,  82.20) 09/12/2016   18:23:58  ( -68.96,  83.52)   54.16                69
 09/12/2016   19:13:22   (  68.36,-109.54) 09/12/2016   19:13:34  (  68.36,-109.59)    2.11                12
 09/12/2016   20:04:03   ( -68.23,  57.95) 09/12/2016   20:03:04  ( -68.24,  57.91)    1.98                59
 09/15/2016   10:39:31   ( -68.48,-161.22) 09/15/2016   10:40:33  ( -68.48,-161.19)    1.00                62
 09/15/2016   11:30:15   (  68.35,   6.26) 09/15/2016   11:30:00  (  68.37,   6.32)    3.32                15
 09/15/2016   12:20:48   ( -67.79, 174.28) 09/15/2016   12:19:37  ( -67.86, 173.36)   39.66                71
 09/18/2016   02:56:22   ( -68.42, -45.36) 09/18/2016   02:56:59  ( -68.44, -45.35)    2.33                37
 09/18/2016   03:47:06   (  68.29, 122.11) 09/18/2016   03:46:27  (  68.27, 122.09)    2.32                39
 09/20/2016   18:22:40   (  68.87, -97.50) 09/20/2016   18:23:51  (  68.79, -96.67)   34.43                71
 09/20/2016   19:13:15   ( -68.41,  70.43) 09/20/2016   19:13:26  ( -68.40,  70.49)    2.70                11
 09/20/2016   20:03:58   (  68.23,-122.03) 09/20/2016   20:02:54  (  68.23,-122.07)    1.59                64
 09/23/2016   10:39:26   (  68.49,  18.79) 09/23/2016   10:40:23  (  68.46,  18.83)    2.94                57
 09/23/2016   11:30:07   ( -68.35,-173.71) 09/23/2016   11:29:53  ( -68.36,-173.67)    1.94                14
 09/23/2016   12:20:40   (  67.63,  -5.51) 09/23/2016   12:19:30  (  67.68,  -6.82)   55.53                70