Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2016 1 27.  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)
 01/28/2016   05:19:26   (  70.58,  97.24) 01/28/2016   05:18:14  (  70.63,  96.45)   29.86                72
 01/28/2016   06:09:00   ( -70.25, -95.62) 01/28/2016   06:08:50  ( -70.25, -95.63)    0.46                10
 01/28/2016   06:58:27   (  70.15,  71.88) 01/28/2016   06:59:34  (  70.11,  71.89)    3.58                67
 01/30/2016   21:35:58   (  70.33,-147.25) 01/30/2016   21:35:00  (  70.35,-147.33)    3.66                58
 01/30/2016   22:25:28   ( -70.22,  20.22) 01/30/2016   22:25:41  ( -70.23,  20.18)    1.65                13
 01/30/2016   23:15:06   (  69.51,-173.12) 01/30/2016   23:16:14  (  69.51,-171.44)   65.35                68
 02/02/2016   13:52:27   (  70.29, -31.43) 02/02/2016   13:51:51  (  70.28, -31.45)    1.20                36
 02/02/2016   14:41:57   ( -70.18, 136.05) 02/02/2016   14:42:32  ( -70.16, 136.07)    3.24                35
 02/05/2016   05:19:19   ( -70.90, -82.28) 02/05/2016   05:18:10  ( -70.97, -84.09)   66.31                69
 02/05/2016   06:08:56   (  70.24,  84.39) 02/05/2016   06:08:42  (  70.22,  84.43)    2.95                14
 02/05/2016   06:58:26   ( -70.14,-108.13) 02/05/2016   06:59:24  ( -70.14,-108.14)    0.39                58
 02/07/2016   21:35:58   ( -70.30,  32.71) 02/07/2016   21:34:50  ( -70.33,  32.72)    3.55                68
 02/07/2016   22:25:25   (  70.19,-159.81) 02/07/2016   22:25:34  (  70.22,-159.79)    3.23                 9
 02/07/2016   23:14:59   ( -69.87,   7.37) 02/07/2016   23:16:11  ( -69.87,   8.05)   26.26                72