Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2015 2 8.  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)
 02/10/2015   02:01:13   (  71.40, 147.92) 02/10/2015   02:00:05  (  71.46, 145.93)   70.65                68
 02/10/2015   02:50:53   ( -70.74, -45.48) 02/10/2015   02:50:35  ( -70.75, -45.55)    2.91                18
 02/10/2015   03:40:20   (  70.64, 122.01) 02/10/2015   03:41:19  (  70.63, 121.96)    2.05                59
 02/12/2015   18:17:49   (  70.81, -97.12) 02/12/2015   18:16:45  (  70.79, -97.16)    3.04                64
 02/12/2015   19:07:19   ( -70.70,  70.34) 02/12/2015   19:07:27  ( -70.70,  70.29)    2.14                 8
 02/12/2015   19:56:54   (  70.15,-122.81) 02/12/2015   19:58:03  (  70.16,-121.55)   47.81                69
 02/15/2015   10:34:16   (  70.73,  18.65) 02/15/2015   10:33:38  (  70.75,  18.66)    2.19                38
 02/15/2015   11:23:45   ( -70.68,-173.80) 02/15/2015   11:24:20  ( -70.67,-173.88)    3.23                35
 02/18/2015   02:01:06   ( -71.27, -32.26) 02/18/2015   01:59:56  ( -71.30, -33.81)   55.38                70
 02/18/2015   02:50:41   (  70.73, 134.53) 02/18/2015   02:50:31  (  70.72, 134.47)    2.41                10
 02/18/2015   03:40:11   ( -70.62, -58.00) 02/18/2015   03:41:13  ( -70.63, -58.07)    2.99                62
 02/20/2015   18:17:40   ( -70.75,  82.81) 02/20/2015   18:16:39  ( -70.76,  82.87)    2.67                61
 02/20/2015   19:07:07   (  70.63,-109.72) 02/20/2015   19:07:23  (  70.65,-109.65)    3.11                16