Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2016 7 8.  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)
 07/08/2016   02:57:05   (  68.44, 134.49) 07/08/2016   02:57:45  (  68.44, 134.49)    0.62                40
 07/08/2016   03:47:46   ( -68.30, -58.02) 07/08/2016   03:47:16  ( -68.28, -58.07)    2.90                30
 07/10/2016   18:23:27   ( -69.23,  81.87) 07/10/2016   18:24:35  ( -69.15,  83.62)   69.59                68
 07/10/2016   19:13:57   (  68.37,-109.65) 07/10/2016   19:14:14  (  68.37,-109.72)    2.76                17
 07/10/2016   20:04:39   ( -68.28,  57.78) 07/10/2016   20:03:44  ( -68.27,  57.80)    1.27                55
 07/13/2016   10:40:07   ( -68.47,-161.32) 07/13/2016   10:41:16  ( -68.47,-161.36)    1.73                69
 07/13/2016   11:30:51   (  68.35,   6.14) 07/13/2016   11:30:43  (  68.35,   6.14)    0.58                 8
 07/13/2016   12:21:29   ( -68.05, 173.85) 07/13/2016   12:20:16  ( -68.08, 173.46)   16.84                73
 07/16/2016   02:57:01   ( -68.45, -45.52) 07/16/2016   02:57:45  ( -68.44, -45.51)    0.97                44
 07/16/2016   03:47:45   (  68.34, 121.93) 07/16/2016   03:47:12  (  68.32, 121.98)    3.26                33
 07/18/2016   18:23:25   (  69.18, -98.05) 07/18/2016   18:24:34  (  69.05, -96.50)   62.99                69
 07/18/2016   19:13:54   ( -68.38,  70.34) 07/18/2016   19:14:14  ( -68.41,  70.33)    3.05                20
 07/18/2016   20:04:38   (  68.27,-122.21) 07/18/2016   20:03:41  (  68.28,-122.18)    1.32                57
 07/21/2016   10:40:05   (  68.47,  18.68) 07/21/2016   10:41:12  (  68.45,  18.63)    2.83                67
 07/21/2016   11:30:47   ( -68.36,-173.86) 07/21/2016   11:30:42  ( -68.36,-173.84)    0.89                 5
 07/21/2016   12:21:25   (  67.94,  -6.01) 07/21/2016   12:20:13  (  68.01,  -6.62)   26.34                72