Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 8 6.  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)
 08/07/2020   14:41:53   ( -70.15, 136.08) 08/07/2020   14:40:46  ( -70.12, 136.07)    2.82                67
 08/07/2020   15:31:21   (  69.99, -56.51) 08/07/2020   15:31:30  (  70.00, -56.44)    2.83                 9
 08/07/2020   16:20:56   ( -69.60, 110.60) 08/07/2020   16:22:07  ( -69.65, 111.40)   31.49                71
 08/10/2020   06:58:24   ( -70.07,-108.15) 08/10/2020   06:57:42  ( -70.09,-108.12)    2.71                42
 08/10/2020   07:47:51   (  69.96,  59.34) 08/10/2020   07:48:26  (  69.97,  59.37)    1.71                35
 08/12/2020   22:25:15   (  70.64,-159.07) 08/12/2020   22:24:06  (  70.68,-160.61)   56.86                69
 08/12/2020   23:14:54   ( -70.04,   7.70) 08/12/2020   23:14:38  ( -70.06,   7.69)    2.18                16
 08/13/2020   00:04:21   (  69.93, 175.18) 08/13/2020   00:05:22  (  69.95, 175.17)    1.94                61
 08/15/2020   14:41:53   (  70.11, -43.96) 08/15/2020   14:40:51  (  70.13, -43.97)    2.29                62
 08/15/2020   15:31:23   ( -70.02, 123.54) 08/15/2020   15:31:33  ( -70.04, 123.49)    2.93                10
 08/15/2020   16:20:59   (  69.40, -69.66) 08/15/2020   16:22:08  (  69.45, -68.32)   52.43                69
 08/18/2020   06:58:23   (  70.08,  71.88) 08/18/2020   06:57:46  (  70.06,  71.91)    2.32                37
 08/18/2020   07:47:53   ( -69.99,-120.62) 08/18/2020   07:48:28  ( -69.96,-120.62)    2.64                35