Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2016 4 26.  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)
 04/27/2016   02:06:29   (  68.52, 147.10) 04/27/2016   02:07:40  (  68.52, 147.07)    1.34                71
 04/27/2016   02:57:11   ( -68.43, -45.46) 04/27/2016   02:57:10  ( -68.42, -45.42)    2.60                 1
 04/27/2016   03:47:52   (  68.15, 122.21) 04/27/2016   03:46:39  (  68.19, 121.96)   11.52                73
 04/29/2016   18:23:24   (  68.48, -97.08) 04/29/2016   18:24:13  (  68.50, -97.09)    1.85                49
 04/29/2016   19:14:05   ( -68.34,  70.42) 04/29/2016   19:13:44  ( -68.34,  70.36)    2.65                21
 04/29/2016   20:04:33   (  67.35,-121.05) 04/29/2016   20:03:26  (  67.39,-123.10)   87.82                67
 05/02/2016   10:40:18   (  68.45,  18.73) 05/02/2016   10:40:45  (  68.48,  18.75)    3.36                27
 05/02/2016   11:30:59   ( -68.30,-173.76) 05/02/2016   11:30:16  ( -68.32,-173.80)    2.55                43
 05/05/2016   02:06:36   ( -68.91, -33.42) 05/05/2016   02:07:47  ( -68.79, -32.64)   33.96                71
 05/05/2016   02:57:13   (  68.41, 134.54) 05/05/2016   02:57:19  (  68.40, 134.52)    2.34                 6
 05/05/2016   03:47:54   ( -68.27, -57.96) 05/05/2016   03:46:49  ( -68.30, -57.97)    3.06                65
 05/07/2016   18:23:24   ( -68.50,  82.88) 05/07/2016   18:24:25  ( -68.48,  82.84)    2.74                61
 05/07/2016   19:14:08   (  68.38,-109.65) 05/07/2016   19:13:52  (  68.37,-109.65)    1.99                16
 05/07/2016   20:04:41   ( -67.81,  58.39) 05/07/2016   20:03:30  ( -67.82,  57.34)   44.04                71