Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 9 6.  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   14:42:08   ( -70.10, 135.99) 09/08/2020   14:40:59  ( -70.12, 136.04)    3.15                69
 09/08/2020   15:31:35   (  69.99, -56.53) 09/08/2020   15:31:43  (  70.01, -56.48)    2.87                 8
 09/08/2020   16:21:09   ( -69.67, 110.66) 09/08/2020   16:22:20  ( -69.65, 111.37)   27.71                71
 09/11/2020   06:58:38   ( -70.11,-108.12) 09/11/2020   06:57:55  ( -70.11,-108.18)    2.08                43
 09/11/2020   07:48:05   (  70.00,  59.36) 09/11/2020   07:48:39  (  70.01,  59.29)    2.91                34
 09/13/2020   22:25:29   (  70.71,-159.00) 09/13/2020   22:24:20  (  70.79,-160.80)   66.88                69
 09/13/2020   23:15:09   ( -70.06,   7.68) 09/13/2020   23:14:50  ( -70.06,   7.68)    0.39                19
 09/14/2020   00:04:36   (  69.94, 175.17) 09/14/2020   00:05:34  (  69.95, 175.15)    1.37                58
 09/16/2020   14:42:10   (  70.10, -44.01) 09/16/2020   14:41:03  (  70.11, -43.95)    2.46                67
 09/16/2020   15:31:40   ( -70.01, 123.49) 09/16/2020   15:31:45  ( -70.00, 123.54)    1.89                 5
 09/16/2020   16:21:13   (  69.56, -69.49) 09/16/2020   16:22:23  (  69.58, -68.53)   37.11                70
 09/19/2020   06:58:39   (  70.10,  71.87) 09/19/2020   06:57:58  (  70.11,  71.82)    2.21                41
 09/19/2020   07:48:09   ( -70.00,-120.63) 09/19/2020   07:48:40  ( -70.00,-120.69)    2.27                31