Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 12 2.  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)
 12/03/2018   06:08:46   ( -70.44, -95.31) 12/03/2018   06:07:34  ( -70.50, -96.12)   31.05                72
 12/03/2018   06:58:18   (  70.06,  71.80) 12/03/2018   06:58:12  (  70.07,  71.86)    2.53                 6
 12/03/2018   07:47:47   ( -70.00,-120.66) 12/03/2018   07:48:54  ( -69.98,-120.69)    2.89                67
 12/05/2018   22:25:19   ( -70.19,  20.22) 12/05/2018   22:24:23  ( -70.18,  20.15)    2.88                56
 12/05/2018   23:14:47   (  70.03,-172.37) 12/05/2018   23:15:06  (  70.01,-172.29)    3.44                19
 12/06/2018   00:04:28   ( -69.31,  -5.71) 12/06/2018   00:05:36  ( -69.29,  -3.91)   70.80                68
 12/08/2018   14:41:49   ( -70.10, 135.97) 12/08/2018   14:41:17  ( -70.13, 136.00)    2.90                32
 12/08/2018   15:31:16   (  69.99, -56.53) 12/08/2018   15:32:01  (  70.02, -56.53)    2.56                45
 12/11/2018   06:08:45   (  70.33,  84.56) 12/11/2018   06:07:33  (  70.39,  84.04)   20.10                72
 12/11/2018   06:58:18   ( -70.06,-108.20) 12/11/2018   06:58:11  ( -70.07,-108.16)    2.28                 7
 12/11/2018   07:47:45   (  69.95,  59.29) 12/11/2018   07:48:55  (  69.97,  59.31)    2.34                70
 12/13/2018   22:25:16   (  70.12,-159.87) 12/13/2018   22:24:22  (  70.13,-159.79)    3.30                54
 12/13/2018   23:14:46   ( -70.01,   7.62) 12/13/2018   23:15:04  ( -70.03,   7.68)    2.92                18