Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 12 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)
 12/13/2020   15:31:42   (  70.09, -56.43) 12/13/2020   15:31:02  (  70.06, -56.43)    3.50                40
 12/13/2020   16:21:12   ( -69.98, 111.05) 12/13/2020   16:21:44  ( -69.97, 111.01)    1.58                32
 12/16/2020   06:58:32   ( -70.84,-107.08) 12/16/2020   06:57:24  ( -70.86,-109.24)   78.81                68
 12/16/2020   07:48:12   (  70.02,  59.36) 12/16/2020   07:47:54  (  70.01,  59.41)    2.29                18
 12/16/2020   08:37:42   ( -69.91,-133.16) 12/16/2020   08:38:36  ( -69.93,-133.14)    1.86                54
 12/18/2020   23:15:14   ( -70.11,   7.72) 12/18/2020   23:14:03  ( -70.14,   7.69)    3.29                71
 12/19/2020   00:04:41   (  70.00, 175.21) 12/19/2020   00:04:46  (  69.97, 175.25)    3.15                 5
 12/19/2020   00:54:13   ( -69.79, -17.46) 12/19/2020   00:55:26  ( -69.78, -17.14)   12.31                73
 12/21/2020   15:31:42   ( -70.09, 123.57) 12/21/2020   15:30:54  ( -70.10, 123.54)    1.73                48
 12/21/2020   16:21:09   (  69.97, -68.95) 12/21/2020   16:21:38  (  69.99, -68.99)    2.67                29
 12/24/2020   06:58:27   (  70.92,  73.05) 12/24/2020   06:57:20  (  71.00,  70.55)   91.24                67
 12/24/2020   07:48:11   ( -70.05,-120.59) 12/24/2020   07:47:46  ( -70.06,-120.63)    1.27                25
 12/24/2020   08:37:38   (  69.94,  46.88) 12/24/2020   08:38:30  (  69.95,  46.84)    2.64                52