Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2016 5 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)
 05/10/2016   10:40:18   ( -68.46,-161.29) 05/10/2016   10:40:55  ( -68.49,-161.27)    3.40                37
 05/10/2016   11:31:02   (  68.32,   6.19) 05/10/2016   11:30:23  (  68.32,   6.18)    0.54                39
 05/13/2016   02:06:41   (  69.05, 146.37) 05/13/2016   02:07:51  (  68.90, 147.48)   47.40                70
 05/13/2016   02:57:12   ( -68.43, -45.49) 05/13/2016   02:57:26  ( -68.46, -45.43)    3.50                14
 05/13/2016   03:47:56   (  68.30, 121.99) 05/13/2016   03:46:54  (  68.29, 122.01)    1.50                62
 05/15/2016   18:23:25   (  68.49, -97.12) 05/15/2016   18:24:28  (  68.51, -97.12)    2.46                63
 05/15/2016   19:14:06   ( -68.36,  70.37) 05/15/2016   19:13:59  ( -68.36,  70.32)    2.30                 7
 05/15/2016   20:04:43   (  67.85,-121.68) 05/15/2016   20:03:32  (  67.91,-122.57)   37.80                71
 05/18/2016   10:40:20   (  68.48,  18.67) 05/18/2016   10:41:00  (  68.45,  18.67)    2.92                40
 05/18/2016   11:31:01   ( -68.34,-173.84) 05/18/2016   11:30:30  ( -68.35,-173.82)    1.21                31
 05/21/2016   02:06:44   ( -69.28, -33.96) 05/21/2016   02:07:52  ( -69.21, -32.14)   72.30                68
 05/21/2016   02:57:14   (  68.41, 134.52) 05/21/2016   02:57:31  (  68.43, 134.52)    1.82                17
 05/21/2016   03:47:55   ( -68.27, -57.98) 05/21/2016   03:47:02  ( -68.27, -58.03)    2.17                53
 05/23/2016   18:23:25   ( -68.53,  82.83) 05/23/2016   18:24:35  ( -68.51,  82.85)    2.16                70
 05/23/2016   19:14:08   (  68.40,-109.69) 05/23/2016   19:14:01  (  68.39,-109.65)    2.25                 7
 05/23/2016   20:04:46   ( -68.10,  58.01) 05/23/2016   20:03:33  ( -68.18,  57.73)   14.27                73