Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2016 7 15.  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   02:57:00   ( -68.41, -45.47) 07/16/2016   02:57:45  ( -68.43, -45.52)    3.03                45
 07/16/2016   03:47:44   (  68.29, 121.99) 07/16/2016   03:47:12  (  68.32, 121.98)    2.59                32
 07/18/2016   18:23:25   (  69.19, -98.07) 07/18/2016   18:24:33  (  69.11, -96.43)   65.54                68
 07/18/2016   19:13:54   ( -68.40,  70.31) 07/18/2016   19:14:14  ( -68.40,  70.32)    0.85                20
 07/18/2016   20:04:38   (  68.29,-122.23) 07/18/2016   20:03:41  (  68.28,-122.18)    2.33                57
 07/21/2016   10:40:05   (  68.49,  18.65) 07/21/2016   10:41:11  (  68.50,  18.69)    1.69                66
 07/21/2016   11:30:46   ( -68.34,-173.83) 07/21/2016   11:30:42  ( -68.35,-173.86)    1.22                 4
 07/21/2016   12:21:25   (  67.96,  -6.04) 07/21/2016   12:20:13  (  68.00,  -6.63)   24.75                72
 07/24/2016   02:56:58   (  68.44, 134.50) 07/24/2016   02:57:40  (  68.44, 134.50)    0.26                42
 07/24/2016   03:47:39   ( -68.28, -57.99) 07/24/2016   03:47:11  ( -68.29, -58.05)    2.56                28
 07/26/2016   18:23:22   ( -69.29,  81.81) 07/26/2016   18:24:30  ( -69.16,  83.65)   73.94                68
 07/26/2016   19:13:51   (  68.39,-109.66) 07/26/2016   19:14:09  (  68.37,-109.70)    2.85                18
 07/26/2016   20:04:33   ( -68.28,  57.79) 07/26/2016   20:03:39  ( -68.28,  57.82)    1.58                54