Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 9 8.  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)
 09/08/2020   14:42:07   ( -70.15, 136.05) 09/08/2020   14:40:59  ( -70.13, 136.04)    2.39                68
 09/08/2020   15:31:34   (  70.04, -56.46) 09/08/2020   15:31:43  (  70.01, -56.49)    3.11                 9
 09/08/2020   16:21:09   ( -69.66, 110.65) 09/08/2020   16:22:20  ( -69.65, 111.37)   27.87                71
 09/11/2020   06:58:38   ( -70.10,-108.14) 09/11/2020   06:57:55  ( -70.12,-108.18)    2.76                43
 09/11/2020   07:48:05   (  69.99,  59.35) 09/11/2020   07:48:39  (  70.01,  59.29)    3.32                34
 09/13/2020   22:25:28   (  70.75,-158.93) 09/13/2020   22:24:20  (  70.79,-160.81)   68.96                68
 09/13/2020   23:15:09   ( -70.05,   7.67) 09/13/2020   23:14:50  ( -70.06,   7.67)    1.49                19
 09/14/2020   00:04:36   (  69.93, 175.15) 09/14/2020   00:05:34  (  69.96, 175.14)    2.47                58
 09/16/2020   14:42:10   (  70.09, -44.02) 09/16/2020   14:41:03  (  70.11, -43.95)    3.65                67
 09/16/2020   15:31:40   ( -69.99, 123.47) 09/16/2020   15:31:45  ( -70.01, 123.53)    2.70                 5
 09/16/2020   16:21:12   (  69.60, -69.43) 09/16/2020   16:22:23  (  69.59, -68.54)   34.54                71
 09/19/2020   06:58:39   (  70.08,  71.85) 09/19/2020   06:57:57  (  70.06,  71.90)    3.10                42
 09/19/2020   07:48:09   ( -69.99,-120.66) 09/19/2020   07:48:40  ( -70.01,-120.70)    2.68                31
 09/21/2020   22:25:31   ( -70.79,  21.13) 09/21/2020   22:24:22  ( -70.84,  19.11)   73.86                69
 09/21/2020   23:15:09   (  70.08,-172.29) 09/21/2020   23:14:53  (  70.07,-172.34)    2.18                16
 09/22/2020   00:04:40   ( -69.93,  -4.87) 09/22/2020   00:05:35  ( -69.96,  -4.86)    3.60                55