Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 12 3.  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)
 12/05/2020   15:31:45   ( -70.05, 123.51) 12/05/2020   15:31:08  ( -70.06, 123.55)    2.34                37
 12/05/2020   16:21:12   (  69.94, -68.99) 12/05/2020   16:21:52  (  69.94, -68.95)    1.45                40
 12/08/2020   06:58:37   (  70.49,  72.40) 12/08/2020   06:57:26  (  70.57,  71.22)   44.40                71
 12/08/2020   07:48:13   ( -70.05,-120.60) 12/08/2020   07:48:00  ( -70.06,-120.67)    2.75                13
 12/08/2020   08:37:40   (  69.94,  46.89) 12/08/2020   08:38:44  (  69.94,  46.82)    2.76                64
 12/10/2020   23:15:13   (  70.10,-172.28) 12/10/2020   23:14:10  (  70.09,-172.26)    1.11                63
 12/11/2020   00:04:43   ( -70.00,  -4.80) 12/11/2020   00:04:52  ( -70.01,  -4.81)    1.19                 9
 12/11/2020   00:54:18   (  69.44, 162.09) 12/11/2020   00:55:27  (  69.41, 163.37)   50.27                69
 12/13/2020   15:31:42   (  70.09, -56.42) 12/13/2020   15:31:03  (  70.10, -56.50)    3.19                39
 12/13/2020   16:21:13   ( -69.94, 111.00) 12/13/2020   16:21:44  ( -69.96, 111.04)    3.06                31
 12/16/2020   06:58:33   ( -70.79,-107.15) 12/16/2020   06:57:24  ( -70.85,-109.21)   75.70                69
 12/16/2020   07:48:12   (  70.02,  59.36) 12/16/2020   07:47:54  (  70.01,  59.43)    2.83                18
 12/16/2020   08:37:42   ( -69.92,-133.15) 12/16/2020   08:38:36  ( -69.91,-133.11)    1.45                54