Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2015 2 23.  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)
 02/23/2015   10:34:20   ( -70.73,-161.39) 02/23/2015   10:33:31  ( -70.73,-161.32)    2.56                49
 02/23/2015   11:23:47   (  70.63,   6.10) 02/23/2015   11:24:15  (  70.61,   6.18)    3.30                28
 02/26/2015   02:01:05   (  71.56, 148.18) 02/26/2015   01:59:58  (  71.63, 145.58)   91.71                67
 02/26/2015   02:50:49   ( -70.69, -45.57) 02/26/2015   02:50:24  ( -70.71, -45.53)    3.02                25
 02/26/2015   03:40:16   (  70.59, 121.92) 02/26/2015   03:41:08  (  70.60, 121.96)    2.06                52
 02/28/2015   18:17:47   (  70.79, -97.17) 02/28/2015   18:16:35  (  70.79, -97.21)    1.30                72
 02/28/2015   19:07:17   ( -70.68,  70.29) 02/28/2015   19:07:17  ( -70.70,  70.26)    2.33                 0
 02/28/2015   19:56:46   (  70.47,-122.38) 02/28/2015   19:57:58  (  70.43,-122.00)   14.64                72
 03/03/2015   10:34:15   (  70.76,  18.65) 03/03/2015   10:33:27  (  70.74,  18.65)    2.42                48
 03/03/2015   11:23:45   ( -70.65,-173.88) 03/03/2015   11:24:09  ( -70.64,-173.87)    0.96                24
 03/06/2015   02:50:42   (  70.70, 134.44) 03/06/2015   02:50:18  (  70.68, 134.51)    2.69                24
 03/06/2015   03:40:12   ( -70.59, -58.09) 03/06/2015   03:41:00  ( -70.58, -58.02)    2.66                48
 03/08/2015   18:17:41   ( -70.83,  82.89) 03/08/2015   18:16:28  ( -70.84,  82.71)    6.33                73
 03/08/2015   19:07:09   (  70.67,-109.72) 03/08/2015   19:07:11  (  70.69,-109.73)    2.52                 2
 03/08/2015   19:56:39   ( -70.56,  57.75) 03/08/2015   19:57:52  ( -70.53,  57.83)    4.28                73