Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2015 10 5.  Predictions up to the next  14.0 days:

     Date     Time(LANDSAT-8) LANDSAT-8 Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/05/2015   13:02:57   (  70.40, -18.85) 10/05/2015   13:02:26  (  70.42, -18.88)    2.07                31
 10/05/2015   13:52:27   ( -70.29, 148.61) 10/05/2015   13:53:07  ( -70.29, 148.64)    1.25                40
 10/08/2015   04:29:53   ( -70.83, -69.97) 10/08/2015   04:28:42  ( -70.87, -71.14)   42.84                71
 10/08/2015   05:19:27   (  70.35,  96.95) 10/08/2015   05:19:19  (  70.37,  96.96)    3.08                 8
 10/08/2015   06:08:57   ( -70.23, -95.58) 10/08/2015   06:10:00  ( -70.24, -95.52)    2.55                63
 10/10/2015   20:46:29   ( -70.44,  45.32) 10/10/2015   20:45:28  ( -70.45,  45.29)    1.93                61
 10/10/2015   21:35:56   (  70.33,-147.19) 10/10/2015   21:36:12  (  70.33,-147.21)    0.90                16
 10/10/2015   22:25:35   ( -69.73,  19.59) 10/10/2015   22:26:44  ( -69.72,  21.03)   55.33                69
 10/13/2015   13:02:57   ( -70.42, 161.18) 10/13/2015   13:02:20  ( -70.41, 161.12)    2.41                37
 10/13/2015   13:52:24   (  70.31, -31.33) 10/13/2015   13:53:04  (  70.29, -31.38)    2.85                40
 10/16/2015   04:29:50   (  70.82, 110.04) 10/16/2015   04:28:39  (  70.88, 108.81)   45.18                71
 10/16/2015   05:19:26   ( -70.39, -82.98) 10/16/2015   05:19:13  ( -70.37, -83.05)    3.51                13
 10/16/2015   06:08:53   (  70.28,  84.50) 10/16/2015   06:09:57  (  70.26,  84.44)    3.54                64
 10/18/2015   20:46:25   (  70.45,-134.63) 10/18/2015   20:45:24  (  70.43,-134.69)    3.43                61
 10/18/2015   21:35:55   ( -70.35,  32.85) 10/18/2015   21:36:06  ( -70.34,  32.77)    3.40                11
 10/18/2015   22:25:31   (  69.74,-160.37) 10/18/2015   22:26:40  (  69.70,-158.95)   54.94                69