Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2015 1 28.  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)
 01/30/2015   10:34:27   (  70.74,  18.65) 01/30/2015   10:33:55  (  70.74,  18.68)    1.04                32
 01/30/2015   11:23:56   ( -70.69,-173.80) 01/30/2015   11:24:37  ( -70.67,-173.88)    3.52                41
 02/02/2015   02:01:20   ( -71.32, -32.21) 02/02/2015   02:00:10  ( -71.37, -33.91)   60.67                70
 02/02/2015   02:50:56   (  70.72, 134.50) 02/02/2015   02:50:44  (  70.74, 134.47)    1.69                12
 02/02/2015   03:40:26   ( -70.62, -58.03) 02/02/2015   03:41:25  ( -70.61, -58.00)    1.56                59
 02/04/2015   18:17:58   ( -70.80,  82.84) 02/04/2015   18:16:48  ( -70.80,  82.85)    0.34                70
 02/04/2015   19:07:25   (  70.69,-109.68) 02/04/2015   19:07:32  (  70.68,-109.66)    0.99                 7
 02/04/2015   19:56:58   ( -70.42,  57.55) 02/04/2015   19:58:10  ( -70.39,  58.13)   21.61                72
 02/07/2015   10:34:26   ( -70.80,-161.28) 02/07/2015   10:33:37  ( -70.79,-161.36)    3.06                49
 02/07/2015   11:23:53   (  70.69,   6.20) 02/07/2015   11:24:21  (  70.68,   6.12)    2.84                28
 02/10/2015   02:50:54   ( -70.72, -45.51) 02/10/2015   02:50:24  ( -70.74, -45.49)    2.28                30
 02/10/2015   03:40:21   (  70.61, 121.97) 02/10/2015   03:41:08  (  70.64, 121.98)    3.00                47