Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2016 5 6.  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)
 05/07/2016   18:23:24   ( -68.50,  82.88) 05/07/2016   18:24:24  ( -68.48,  82.85)    2.94                60
 05/07/2016   19:14:08   (  68.37,-109.64) 05/07/2016   19:13:51  (  68.37,-109.64)    0.70                17
 05/07/2016   20:04:40   ( -67.76,  58.45) 05/07/2016   20:03:29  ( -67.82,  57.35)   46.96                71
 05/10/2016   10:40:18   ( -68.48,-161.31) 05/10/2016   10:40:55  ( -68.48,-161.28)    1.35                37
 05/10/2016   11:31:02   (  68.35,   6.16) 05/10/2016   11:30:22  (  68.36,   6.23)    3.24                40
 05/13/2016   02:06:41   (  69.07, 146.34) 05/13/2016   02:07:50  (  68.96, 147.55)   49.85                69
 05/13/2016   02:57:12   ( -68.40, -45.44) 05/13/2016   02:57:28  ( -68.41, -45.49)    2.72                16
 05/13/2016   03:47:56   (  68.27, 122.03) 05/13/2016   03:46:55  (  68.30, 122.01)    3.14                61
 05/15/2016   18:23:26   (  68.51, -97.14) 05/15/2016   18:24:30  (  68.49, -97.16)    2.02                64
 05/15/2016   19:14:07   ( -68.37,  70.36) 05/15/2016   19:14:00  ( -68.40,  70.36)    2.61                 7
 05/15/2016   20:04:44   (  67.87,-121.70) 05/15/2016   20:03:33  (  67.94,-122.54)   35.99                71
 05/18/2016   10:40:21   (  68.49,  18.65) 05/18/2016   10:41:02  (  68.47,  18.68)    2.63                41
 05/18/2016   11:31:02   ( -68.35,-173.85) 05/18/2016   11:30:32  ( -68.37,-173.81)    2.89                30