Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 8 7.  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   14:41:54   ( -70.12, 136.04) 08/07/2020   14:40:47  ( -70.14, 136.03)    2.14                67
 08/07/2020   15:31:21   (  70.02, -56.46) 08/07/2020   15:31:31  (  70.02, -56.47)    0.48                10
 08/07/2020   16:20:55   ( -69.63, 110.64) 08/07/2020   16:22:06  ( -69.62, 111.45)   31.26                71
 08/10/2020   06:58:23   ( -70.10,-108.11) 08/10/2020   06:57:42  ( -70.11,-108.15)    2.18                41
 08/10/2020   07:47:50   (  69.99,  59.38) 08/10/2020   07:48:26  (  69.99,  59.34)    1.72                36
 08/12/2020   22:25:15   (  70.61,-159.10) 08/12/2020   22:24:05  (  70.65,-160.55)   53.55                70
 08/12/2020   23:14:53   ( -70.07,   7.74) 08/12/2020   23:14:38  ( -70.08,   7.66)    3.26                15
 08/13/2020   00:04:21   (  69.91, 175.15) 08/13/2020   00:05:21  (  69.91, 175.22)    3.04                60
 08/15/2020   14:41:54   (  70.09, -43.99) 08/15/2020   14:40:51  (  70.10, -43.92)    3.11                63
 08/15/2020   15:31:24   ( -69.99, 123.50) 08/15/2020   15:31:33  ( -70.01, 123.54)    2.44                 9
 08/15/2020   16:20:59   (  69.43, -69.62) 08/15/2020   16:22:08  (  69.41, -68.28)   52.56                69
 08/18/2020   06:58:23   (  70.11,  71.92) 08/18/2020   06:57:47  (  70.08,  71.88)    3.27                36
 08/18/2020   07:47:54   ( -69.96,-120.66) 08/18/2020   07:48:29  ( -69.98,-120.65)    2.82                35
 08/20/2020   22:25:17   ( -70.63,  20.92) 08/20/2020   22:24:07  ( -70.64,  19.46)   53.87                70
 08/20/2020   23:14:52   (  70.07,-172.25) 08/20/2020   23:14:42  (  70.06,-172.33)    2.84                10
 08/21/2020   00:04:23   ( -69.92,  -4.83) 08/21/2020   00:05:23  ( -69.91,  -4.77)    2.59                60