Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2016 12 1.  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)
 12/04/2016   10:39:54   ( -68.42,-161.35) 12/04/2016   10:40:34  ( -68.42,-161.28)    2.77                40
 12/04/2016   11:30:37   (  68.26,   6.17) 12/04/2016   11:30:02  (  68.25,   6.16)    1.24                35
 12/07/2016   02:06:17   (  69.07, 146.23) 12/07/2016   02:07:26  (  68.93, 147.60)   56.54                69
 12/07/2016   02:56:47   ( -68.32, -45.45) 12/07/2016   02:57:05  ( -68.33, -45.51)    2.50                18
 12/07/2016   03:47:31   (  68.22, 121.99) 12/07/2016   03:46:32  (  68.21, 121.99)    0.57                59
 12/09/2016   18:23:00   (  68.44, -97.16) 12/09/2016   18:24:04  (  68.45, -97.12)    1.56                64
 12/09/2016   19:13:40   ( -68.28,  70.37) 12/09/2016   19:13:34  ( -68.30,  70.32)    2.15                 6
 12/09/2016   20:04:18   (  67.86,-121.79) 12/09/2016   20:03:06  (  67.90,-122.50)   30.23                72
 12/12/2016   10:39:53   (  68.41,  18.66) 12/12/2016   10:40:33  (  68.41,  18.71)    2.11                40
 12/12/2016   11:30:34   ( -68.25,-173.82) 12/12/2016   11:30:04  ( -68.26,-173.84)    1.46                30
 12/15/2016   02:06:17   ( -69.22, -33.98) 12/15/2016   02:07:25  ( -69.10, -32.20)   71.83                68
 12/15/2016   02:56:46   (  68.33, 134.54) 12/15/2016   02:57:04  (  68.31, 134.47)    2.97                18
 12/15/2016   03:47:28   ( -68.22, -58.01) 12/15/2016   03:46:34  ( -68.22, -58.02)    0.38                54