Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2016 7 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)
 07/16/2016   02:57:01   ( -68.46, -45.53) 07/16/2016   02:57:45  ( -68.44, -45.51)    1.90                44
 07/16/2016   03:47:45   (  68.34, 121.93) 07/16/2016   03:47:12  (  68.32, 121.99)    2.99                33
 07/18/2016   18:23:24   (  69.18, -98.05) 07/18/2016   18:24:33  (  69.06, -96.49)   63.42                69
 07/18/2016   19:13:53   ( -68.39,  70.33) 07/18/2016   19:14:13  ( -68.40,  70.32)    1.24                20
 07/18/2016   20:04:37   (  68.28,-122.21) 07/18/2016   20:03:40  (  68.28,-122.18)    1.65                57
 07/21/2016   10:40:05   (  68.48,  18.67) 07/21/2016   10:41:11  (  68.50,  18.70)    2.96                66
 07/21/2016   11:30:46   ( -68.33,-173.81) 07/21/2016   11:30:42  ( -68.35,-173.85)    3.26                 4
 07/21/2016   12:21:25   (  67.95,  -6.02) 07/21/2016   12:20:13  (  68.00,  -6.62)   25.64                72
 07/24/2016   02:56:58   (  68.42, 134.52) 07/24/2016   02:57:40  (  68.44, 134.51)    2.33                42
 07/24/2016   03:47:40   ( -68.32, -58.03) 07/24/2016   03:47:11  ( -68.29, -58.04)    2.99                29
 07/26/2016   18:23:22   ( -69.26,  81.85) 07/26/2016   18:24:30  ( -69.16,  83.65)   72.06                68
 07/26/2016   19:13:51   (  68.36,-109.63) 07/26/2016   19:14:09  (  68.37,-109.70)    2.84                18
 07/26/2016   20:04:33   ( -68.26,  57.82) 07/26/2016   20:03:39  ( -68.27,  57.82)    2.09                54