Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2016 1 2.  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)
 01/03/2016   09:50:44   (  68.55,  31.25) 01/03/2016   09:51:17  (  68.56,  31.21)    1.70                33
 01/03/2016   10:41:26   ( -68.48,-161.33) 01/03/2016   10:40:47  ( -68.45,-161.28)    3.13                39
 01/06/2016   01:17:03   ( -69.21, -21.18) 01/06/2016   01:18:13  ( -69.08, -19.91)   52.47                70
 01/06/2016   02:07:36   (  68.50, 147.10) 01/06/2016   02:07:48  (  68.52, 147.04)    3.33                12
 01/06/2016   02:58:18   ( -68.42, -45.48) 01/06/2016   02:57:18  ( -68.42, -45.46)    1.31                60
 01/08/2016   17:33:45   ( -68.63,  95.39) 01/08/2016   17:34:51  ( -68.64,  95.41)    1.65                66
 01/08/2016   18:24:29   (  68.50, -97.14) 01/08/2016   18:24:18  (  68.53, -97.08)    3.45                11
 01/08/2016   19:15:05   ( -68.10,  70.70) 01/08/2016   19:13:53  ( -68.15,  70.09)   25.45                72
 01/11/2016   09:50:36   ( -68.58,-148.77) 01/11/2016   09:51:21  ( -68.58,-148.78)    0.37                45
 01/11/2016   10:41:20   (  68.46,  18.70) 01/11/2016   10:40:48  (  68.47,  18.72)    1.45                32
 01/14/2016   01:17:01   (  69.42, 158.53) 01/14/2016   01:18:09  (  69.34, 160.42)   74.65                68
 01/14/2016   02:07:28   ( -68.54, -32.94) 01/14/2016   02:07:52  ( -68.51, -32.99)    3.22                24
 01/14/2016   02:58:12   (  68.41, 134.53) 01/14/2016   02:57:19  (  68.40, 134.51)    2.06                53