Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 8 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)
 08/18/2018   13:51:40   (  70.94, -30.37) 08/18/2018   13:50:32  (  70.98, -32.61)   81.57                68
 08/18/2018   14:41:22   ( -70.17, 136.11) 08/18/2018   14:41:00  ( -70.15, 136.05)    3.50                22
 08/18/2018   15:30:50   (  70.02, -56.46) 08/18/2018   15:31:44  (  70.04, -56.48)    2.29                54
 08/21/2018   06:08:24   (  70.19,  84.39) 08/21/2018   06:07:14  (  70.20,  84.42)    1.25                70
 08/21/2018   06:57:54   ( -70.08,-108.14) 08/21/2018   06:57:56  ( -70.10,-108.11)    2.05                 2
 08/21/2018   07:47:25   (  69.76,  59.05) 08/21/2018   07:48:36  (  69.78,  59.68)   24.10                71
 08/23/2018   22:24:55   (  70.15,-159.79) 08/23/2018   22:24:10  (  70.15,-159.75)    1.66                45
 08/23/2018   23:14:25   ( -70.04,   7.69) 08/23/2018   23:14:52  ( -70.05,   7.73)    1.73                27
 08/26/2018   13:51:44   ( -70.97, 149.68) 08/26/2018   13:50:37  ( -71.05, 147.26)   87.88                67
 08/26/2018   14:41:25   (  70.10, -43.98) 08/26/2018   14:41:05  (  70.11, -43.92)    2.39                20
 08/26/2018   15:30:55   ( -70.00, 123.51) 08/26/2018   15:31:47  ( -70.00, 123.56)    2.16                52
 08/29/2018   06:08:28   ( -70.22, -95.57) 08/29/2018   06:07:18  ( -70.22, -95.63)    2.15                70
 08/29/2018   06:57:56   (  70.06,  71.83) 08/29/2018   06:58:01  (  70.07,  71.91)    3.56                 5
 08/29/2018   07:47:28   ( -69.84,-120.83) 08/29/2018   07:48:40  ( -69.80,-120.37)   18.24                72