Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2016 4 28.  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)
 04/29/2016   18:23:23   (  68.48, -97.07) 04/29/2016   18:24:12  (  68.50, -97.09)    2.44                49
 04/29/2016   19:14:05   ( -68.39,  70.36) 04/29/2016   19:13:42  ( -68.40,  70.42)    2.84                23
 04/29/2016   20:04:32   (  67.35,-121.04) 04/29/2016   20:03:25  (  67.39,-123.10)   88.19                67
 05/02/2016   10:40:18   (  68.45,  18.73) 05/02/2016   10:40:45  (  68.47,  18.74)    2.81                27
 05/02/2016   11:30:59   ( -68.31,-173.77) 05/02/2016   11:30:16  ( -68.32,-173.81)    2.21                43
 05/05/2016   02:06:36   ( -68.91, -33.43) 05/05/2016   02:07:47  ( -68.78, -32.66)   34.50                71
 05/05/2016   02:57:13   (  68.42, 134.54) 05/05/2016   02:57:18  (  68.44, 134.57)    2.64                 5
 05/05/2016   03:47:54   ( -68.28, -57.96) 05/05/2016   03:46:49  ( -68.29, -57.98)    1.24                65
 05/07/2016   18:23:24   ( -68.52,  82.87) 05/07/2016   18:24:24  ( -68.52,  82.89)    0.87                60
 05/07/2016   19:14:08   (  68.40,-109.67) 05/07/2016   19:13:51  (  68.40,-109.61)    2.52                17
 05/07/2016   20:04:40   ( -67.77,  58.44) 05/07/2016   20:03:29  ( -67.86,  57.38)   45.58                71
 05/10/2016   10:40:18   ( -68.50,-161.34) 05/10/2016   10:40:56  ( -68.48,-161.29)    2.54                38
 05/10/2016   11:31:01   (  68.32,   6.19) 05/10/2016   11:30:24  (  68.31,   6.14)    2.78                37