Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2016 2 17.  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)
 02/18/2016   13:52:18   (  70.26, -31.45) 02/18/2016   13:51:32  (  70.28, -31.41)    2.50                46
 02/18/2016   14:41:47   ( -70.20, 136.09) 02/18/2016   14:42:14  ( -70.21, 136.03)    2.41                27
 02/21/2016   05:19:02   ( -71.21, -81.77) 02/21/2016   05:17:56  ( -71.25, -84.53)   98.90                66
 02/21/2016   06:08:45   (  70.24,  84.40) 02/21/2016   06:08:23  (  70.24,  84.43)    1.42                22
 02/21/2016   06:58:14   ( -70.18,-108.05) 02/21/2016   06:59:05  ( -70.16,-108.13)    3.42                51
 02/23/2016   21:35:44   ( -70.36,  32.82) 02/23/2016   21:34:31  ( -70.38,  32.69)    5.33                73
 02/23/2016   22:25:12   (  70.20,-159.78) 02/23/2016   22:25:14  (  70.21,-159.74)    2.33                 2
 02/23/2016   23:14:42   ( -70.09,   7.70) 02/23/2016   23:15:55  ( -70.08,   7.79)    3.44                73
 02/26/2016   13:52:11   ( -70.31, 148.63) 02/26/2016   13:51:21  ( -70.30, 148.60)    1.22                50
 02/26/2016   14:41:38   (  70.19, -43.89) 02/26/2016   14:42:05  (  70.19, -43.92)    1.23                27
 02/26/2016   15:31:24   ( -69.21, 122.39) 02/26/2016   15:32:30  ( -69.20, 124.85)   96.96                66
 02/29/2016   05:18:52   (  71.16,  98.18) 02/29/2016   05:17:45  (  71.21,  95.57)   93.74                67
 02/29/2016   06:08:36   ( -70.29, -95.51) 02/29/2016   06:08:11  ( -70.28, -95.58)    3.12                25
 02/29/2016   06:58:04   (  70.12,  71.89) 02/29/2016   06:58:54  (  70.12,  71.97)    2.91                50