Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2016 3 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)
 03/18/2016   21:35:32   (  70.95,-146.35) 03/18/2016   21:34:24  (  71.00,-148.29)   70.74                68
 03/18/2016   22:25:13   ( -70.23,  20.22) 03/18/2016   22:24:53  ( -70.22,  20.29)    3.01                20
 03/18/2016   23:14:40   (  70.13,-172.29) 03/18/2016   23:15:37  (  70.12,-172.24)    2.24                57
 03/21/2016   13:52:10   (  70.32, -31.42) 03/21/2016   13:51:03  (  70.34, -31.44)    2.69                67
 03/21/2016   14:41:40   ( -70.20, 136.06) 03/21/2016   14:41:44  ( -70.18, 136.12)    3.31                 4
 03/21/2016   15:31:12   (  69.82, -56.84) 03/21/2016   15:32:23  (  69.82, -56.02)   31.39                71
 03/24/2016   06:08:38   (  70.27,  84.40) 03/24/2016   06:07:54  (  70.26,  84.47)    2.89                44
 03/24/2016   06:58:08   ( -70.16,-108.12) 03/24/2016   06:58:36  ( -70.15,-108.05)    2.89                28
 03/26/2016   21:35:25   ( -71.09,  33.88) 03/26/2016   21:34:18  ( -71.16,  31.46)   87.29                67
 03/26/2016   22:25:06   (  70.22,-159.79) 03/26/2016   22:24:46  (  70.23,-159.72)    3.13                20
 03/26/2016   23:14:36   ( -70.11,   7.69) 03/26/2016   23:15:28  ( -70.12,   7.77)    3.12                52
 03/29/2016   13:52:06   ( -70.32, 148.60) 03/29/2016   13:50:54  ( -70.30, 148.65)    3.20                72
 03/29/2016   14:41:33   (  70.21, -43.92) 03/29/2016   14:41:38  (  70.21, -43.91)    0.57                 5
 03/29/2016   15:31:05   ( -70.00, 123.41) 03/29/2016   15:32:18  ( -69.99, 123.74)   12.75                73