Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 1 11.  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)
 01/12/2020   15:31:34   (  70.03, -56.50) 01/12/2020   15:31:05  (  70.05, -56.45)    3.15                29
 01/12/2020   16:21:03   ( -69.98, 111.06) 01/12/2020   16:21:47  ( -69.96, 111.02)    2.93                44
 01/15/2020   06:58:31   ( -70.42,-107.71) 01/15/2020   06:57:20  ( -70.47,-108.63)   34.67                71
 01/15/2020   07:48:02   (  70.04,  59.38) 01/15/2020   07:47:57  (  70.05,  59.33)    2.54                 5
 01/15/2020   08:37:32   ( -69.93,-133.13) 01/15/2020   08:38:38  ( -69.90,-133.12)    3.44                66
 01/17/2020   23:15:05   ( -70.11,   7.71) 01/17/2020   23:14:05  ( -70.10,   7.73)    0.76                60
 01/18/2020   00:04:32   (  69.99, 175.20) 01/18/2020   00:04:49  (  70.00, 175.19)    0.83                17
 01/18/2020   00:54:12   ( -69.34, -18.06) 01/18/2020   00:55:21  ( -69.37, -16.57)   58.57                69
 01/20/2020   15:31:35   ( -70.07, 123.54) 01/20/2020   15:30:57  ( -70.05, 123.59)    3.17                38
 01/20/2020   16:21:02   (  69.96, -68.98) 01/20/2020   16:21:41  (  69.95, -68.95)    1.20                39
 01/23/2020   06:58:27   (  70.58,  72.53) 01/23/2020   06:57:17  (  70.63,  71.13)   51.70                70
 01/23/2020   07:48:05   ( -70.05,-120.62) 01/23/2020   07:47:50  ( -70.05,-120.64)    0.79                15
 01/23/2020   08:37:32   (  69.93,  46.86) 01/23/2020   08:38:34  (  69.95,  46.82)    3.20                62