Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2016 3 12.  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)
 03/13/2016   13:52:16   ( -70.33, 148.60) 03/13/2016   13:51:10  ( -70.34, 148.55)    2.01                66
 03/13/2016   14:41:43   (  70.23, -43.91) 03/13/2016   14:41:54  (  70.23, -43.97)    2.58                11
 03/13/2016   15:31:19   ( -69.78, 123.10) 03/13/2016   15:32:30  ( -69.82, 123.97)   33.45                71
 03/16/2016   06:08:45   ( -70.26, -95.62) 03/16/2016   06:08:02  ( -70.29, -95.60)    3.34                43
 03/16/2016   06:58:12   (  70.16,  71.87) 03/16/2016   06:58:46  (  70.19,  71.87)    3.53                34
 03/18/2016   21:35:32   (  70.89,-146.43) 03/18/2016   21:34:23  (  70.98,-148.26)   67.38                69
 03/18/2016   22:25:12   ( -70.24,  20.23) 03/18/2016   22:24:53  ( -70.25,  20.24)    1.39                19
 03/18/2016   23:14:39   (  70.13,-172.28) 03/18/2016   23:15:37  (  70.15,-172.30)    2.47                58
 03/21/2016   13:52:10   (  70.31, -31.42) 03/21/2016   13:51:03  (  70.32, -31.41)    1.50                67
 03/21/2016   14:41:40   ( -70.20, 136.05) 03/21/2016   14:41:45  ( -70.21, 136.08)    1.49                 5
 03/21/2016   15:31:12   (  69.81, -56.84) 03/21/2016   15:32:23  (  69.80, -55.99)   32.87                71
 03/24/2016   06:08:37   (  70.31,  84.46) 03/24/2016   06:07:55  (  70.29,  84.42)    2.73                42
 03/24/2016   06:58:07   ( -70.20,-108.06) 03/24/2016   06:58:37  ( -70.18,-108.09)    3.29                30