Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 8 13.  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)
 08/15/2020   14:41:54   (  70.11, -43.97) 08/15/2020   14:40:52  (  70.14, -43.97)    3.12                62
 08/15/2020   15:31:24   ( -70.00, 123.52) 08/15/2020   15:31:33  ( -70.00, 123.56)    1.79                 9
 08/15/2020   16:20:58   (  69.45, -69.60) 08/15/2020   16:22:08  (  69.45, -68.33)   49.55                70
 08/18/2020   06:58:23   (  70.08,  71.88) 08/18/2020   06:57:46  (  70.06,  71.91)    2.30                37
 08/18/2020   07:47:53   ( -69.98,-120.64) 08/18/2020   07:48:28  ( -69.97,-120.64)    0.85                35
 08/20/2020   22:25:18   ( -70.61,  20.88) 08/20/2020   22:24:08  ( -70.68,  19.39)   55.43                70
 08/20/2020   23:14:53   (  70.05,-172.28) 08/20/2020   23:14:42  (  70.05,-172.30)    1.09                11
 08/21/2020   00:04:23   ( -69.96,  -4.79) 08/21/2020   00:05:24  ( -69.95,  -4.83)    1.92                61
 08/23/2020   14:41:56   ( -70.15, 136.09) 08/23/2020   14:40:54  ( -70.14, 136.03)    2.54                62
 08/23/2020   15:31:23   (  70.03, -56.44) 08/23/2020   15:31:38  (  70.03, -56.50)    2.41                15
 08/23/2020   16:21:01   ( -69.49, 110.46) 08/23/2020   16:22:11  ( -69.45, 111.67)   47.39                70
 08/26/2020   06:58:27   ( -70.07,-108.15) 08/26/2020   06:57:49  ( -70.06,-108.10)    1.94                38
 08/26/2020   07:47:54   (  69.94,  59.33) 08/26/2020   07:48:33  (  69.96,  59.37)    2.59                39