Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2016 5 3.  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)
 05/05/2016   02:06:35   ( -68.85, -33.34) 05/05/2016   02:07:47  ( -68.76, -32.68)   28.69                72
 05/05/2016   02:57:13   (  68.40, 134.56) 05/05/2016   02:57:18  (  68.42, 134.56)    2.37                 5
 05/05/2016   03:47:54   ( -68.27, -57.95) 05/05/2016   03:46:49  ( -68.26, -58.00)    2.21                65
 05/07/2016   18:23:23   ( -68.50,  82.88) 05/07/2016   18:24:22  ( -68.53,  82.91)    3.39                59
 05/07/2016   19:14:07   (  68.38,-109.64) 05/07/2016   19:13:50  (  68.36,-109.65)    1.46                17
 05/07/2016   20:04:39   ( -67.76,  58.46) 05/07/2016   20:03:28  ( -67.82,  57.34)   47.37                71
 05/10/2016   10:40:18   ( -68.48,-161.32) 05/10/2016   10:40:55  ( -68.47,-161.30)    2.04                37
 05/10/2016   11:31:02   (  68.36,   6.15) 05/10/2016   11:30:22  (  68.35,   6.20)    2.30                40
 05/13/2016   02:06:40   (  69.03, 146.39) 05/13/2016   02:07:50  (  68.93, 147.51)   46.13                70
 05/13/2016   02:57:12   ( -68.41, -45.46) 05/13/2016   02:57:27  ( -68.44, -45.46)    3.32                15
 05/13/2016   03:47:56   (  68.29, 122.01) 05/13/2016   03:46:55  (  68.27, 121.97)    2.54                61
 05/15/2016   18:23:25   (  68.48, -97.11) 05/15/2016   18:24:29  (  68.50, -97.15)    2.68                64
 05/15/2016   19:14:07   ( -68.40,  70.32) 05/15/2016   19:13:59  ( -68.41,  70.36)    1.81                 8
 05/15/2016   20:04:44   (  67.90,-121.73) 05/15/2016   20:03:32  (  67.95,-122.53)   33.85                72