Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2015 9 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)
 09/02/2015   16:44:30   (  68.84, -72.14) 09/02/2015   16:45:41  (  68.84, -72.02)    4.58                71
 09/02/2015   17:35:10   ( -68.66,  95.42) 09/02/2015   17:35:12  ( -68.67,  95.40)    1.31                 2
 09/02/2015   18:25:53   (  68.47, -97.03) 09/02/2015   18:24:40  (  68.50, -97.16)    6.25                73
 09/05/2015   09:01:20   (  68.73,  43.79) 09/05/2015   09:02:09  (  68.73,  43.73)    2.11                49
 09/05/2015   09:52:00   ( -68.60,-148.73) 09/05/2015   09:51:38  ( -68.62,-148.77)    2.69                22
 09/05/2015   10:42:27   (  67.55,  19.90) 09/05/2015   10:41:21  (  67.61,  17.68)   94.17                66
 09/08/2015   00:27:45   ( -69.81,  -9.27) 09/08/2015   00:28:51  ( -69.72,  -6.72)   98.49                66
 09/08/2015   01:18:11   (  68.73, 159.56) 09/08/2015   01:18:34  (  68.72, 159.62)    2.33                23
 09/08/2015   02:08:52   ( -68.60, -32.95) 09/08/2015   02:08:04  ( -68.62, -32.88)    3.34                48
 09/10/2015   16:44:20   ( -68.91, 107.79) 09/10/2015   16:45:32  ( -68.88, 108.06)   11.52                72
 09/10/2015   17:35:02   (  68.68, -84.59) 09/10/2015   17:35:01  (  68.65, -84.58)    2.71                 1
 09/10/2015   18:25:43   ( -68.55,  82.90) 09/10/2015   18:24:31  ( -68.55,  82.93)    1.22                72
 09/13/2015   09:01:09   ( -68.75,-136.22) 09/13/2015   09:02:00  ( -68.75,-136.21)    0.71                51
 09/13/2015   09:51:53   (  68.63,  31.25) 09/13/2015   09:51:27  (  68.63,  31.29)    1.49                26
 09/13/2015   10:42:19   ( -67.69,-160.24) 09/13/2015   10:41:11  ( -67.75,-162.13)   79.81                68
 09/16/2015   00:27:35   (  69.69, 170.92) 09/16/2015   00:28:42  (  69.59, 173.15)   87.03                67
 09/16/2015   01:17:59   ( -68.70, -20.38) 09/16/2015   01:18:25  ( -68.71, -20.36)    1.64                26
 09/16/2015   02:08:43   (  68.58, 147.09) 09/16/2015   02:07:52  (  68.59, 147.14)    2.42                51