Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2016 4 26.  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)
 04/27/2016   21:35:29   ( -70.37,  32.74) 04/27/2016   21:34:16  ( -70.38,  32.64)    3.70                73
 04/27/2016   22:24:57   (  70.22,-159.84) 04/27/2016   22:24:59  (  70.21,-159.79)    1.92                 2
 04/27/2016   23:14:27   ( -70.10,   7.63) 04/27/2016   23:15:40  ( -70.06,   7.75)    6.17                73
 04/30/2016   13:52:02   ( -70.31, 148.50) 04/30/2016   13:51:10  ( -70.29, 148.55)    2.79                52
 04/30/2016   14:41:29   (  70.20, -44.00) 04/30/2016   14:41:55  (  70.23, -44.05)    3.31                26
 04/30/2016   15:31:14   ( -69.27, 122.36) 04/30/2016   15:32:20  ( -69.23, 124.73)   93.57                66
 05/03/2016   06:08:34   ( -70.29, -95.66) 05/03/2016   06:08:06  ( -70.30, -95.72)    2.60                28
 05/03/2016   06:58:01   (  70.18,  71.84) 05/03/2016   06:58:50  (  70.19,  71.76)    2.81                49
 05/05/2016   21:35:33   (  70.48,-147.15) 05/05/2016   21:34:21  (  70.52,-147.62)   18.10                72
 05/05/2016   22:25:05   ( -70.27,  20.18) 05/05/2016   22:25:00  ( -70.27,  20.10)    2.89                 5
 05/05/2016   23:14:33   (  70.10,-172.42) 05/05/2016   23:15:43  (  70.11,-172.34)    2.86                70
 05/08/2016   13:52:07   (  70.34, -31.49) 05/08/2016   13:51:13  (  70.34, -31.56)    2.57                54
 05/08/2016   14:41:38   ( -70.19, 135.92) 05/08/2016   14:41:54  ( -70.19, 135.99)    2.68                16
 05/08/2016   15:31:18   (  69.36, -57.58) 05/08/2016   15:32:25  (  69.39, -55.51)   80.93                67