Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 9 5.  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)
 09/05/2020   22:25:26   ( -70.78,  21.11) 09/05/2020   22:24:17  ( -70.83,  19.14)   72.30                69
 09/05/2020   23:15:04   (  70.07,-172.29) 09/05/2020   23:14:48  (  70.04,-172.29)    3.52                16
 09/06/2020   00:04:34   ( -69.96,  -4.81) 09/06/2020   00:05:30  ( -69.94,  -4.83)    2.49                56
 09/08/2020   14:42:08   ( -70.14, 136.04) 09/08/2020   14:41:00  ( -70.14, 136.01)    1.09                68
 09/08/2020   15:31:35   (  70.03, -56.48) 09/08/2020   15:31:44  (  70.03, -56.51)    1.67                 9
 09/08/2020   16:21:10   ( -69.65, 110.63) 09/08/2020   16:22:21  ( -69.67, 111.34)   27.60                71
 09/11/2020   06:58:39   ( -70.09,-108.15) 09/11/2020   06:57:55  ( -70.08,-108.13)    1.55                44
 09/11/2020   07:48:06   (  69.98,  59.34) 09/11/2020   07:48:39  (  69.98,  59.34)    0.40                33
 09/13/2020   22:25:28   (  70.74,-158.94) 09/13/2020   22:24:19  (  70.76,-160.75)   66.33                69
 09/13/2020   23:15:09   ( -70.04,   7.66) 09/13/2020   23:14:50  ( -70.07,   7.65)    3.33                19
 09/14/2020   00:04:36   (  69.93, 175.14) 09/14/2020   00:05:33  (  69.92, 175.20)    2.21                57
 09/16/2020   14:42:09   (  70.14, -43.95) 09/16/2020   14:41:03  (  70.13, -43.97)    2.21                66
 09/16/2020   15:31:40   ( -69.99, 123.47) 09/16/2020   15:31:45  ( -70.02, 123.51)    3.06                 5
 09/16/2020   16:21:12   (  69.60, -69.43) 09/16/2020   16:22:23  (  69.60, -68.56)   33.77                71