Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2016 4 4.  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)
 04/05/2016   18:23:17   ( -68.51,  82.95) 04/05/2016   18:23:54  ( -68.49,  82.98)    2.65                37
 04/05/2016   19:13:59   (  68.35,-109.52) 04/05/2016   19:13:20  (  68.37,-109.52)    3.19                39
 04/08/2016   09:49:37   (  68.98,  30.77) 04/08/2016   09:50:47  (  68.87,  31.70)   38.93                70
 04/08/2016   10:40:11   ( -68.45,-161.20) 04/08/2016   10:40:23  ( -68.44,-161.20)    0.58                12
 04/08/2016   11:30:55   (  68.34,   6.25) 04/08/2016   11:29:50  (  68.32,   6.30)    2.77                65
 04/11/2016   02:06:25   (  68.54, 147.12) 04/11/2016   02:07:22  (  68.53, 147.16)    1.99                57
 04/11/2016   02:57:06   ( -68.39, -45.36) 04/11/2016   02:56:53  ( -68.39, -45.38)    1.00                13
 04/11/2016   03:47:39   (  67.68, 122.83) 04/11/2016   03:46:29  (  67.76, 121.52)   55.86                70
 04/13/2016   18:23:20   (  68.49, -97.04) 04/13/2016   18:23:52  (  68.47, -97.04)    2.41                32
 04/13/2016   19:14:01   ( -68.33,  70.48) 04/13/2016   19:13:23  ( -68.32,  70.42)    2.68                38
 04/16/2016   09:49:38   ( -68.91,-149.16) 04/16/2016   09:50:49  ( -68.85,-148.32)   34.07                71
 04/16/2016   10:40:15   (  68.43,  18.79) 04/16/2016   10:40:21  (  68.44,  18.82)    1.56                 6
 04/16/2016   11:30:55   ( -68.27,-173.69) 04/16/2016   11:29:51  ( -68.30,-173.72)    3.18                64