Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 8 4.  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)
 08/04/2020   22:25:12   ( -70.80,  21.17) 08/04/2020   22:24:04  ( -70.85,  19.13)   74.72                68
 08/04/2020   23:14:51   (  70.05,-172.30) 08/04/2020   23:14:35  (  70.04,-172.28)    0.96                16
 08/05/2020   00:04:21   ( -69.94,  -4.82) 08/05/2020   00:05:17  ( -69.96,  -4.84)    2.97                56
 08/07/2020   14:41:53   ( -70.13, 136.06) 08/07/2020   14:40:46  ( -70.14, 136.04)    0.97                67
 08/07/2020   15:31:20   (  70.02, -56.45) 08/07/2020   15:31:30  (  70.02, -56.47)    1.17                10
 08/07/2020   16:20:55   ( -69.64, 110.65) 08/07/2020   16:22:06  ( -69.61, 111.45)   31.04                71
 08/10/2020   06:58:23   ( -70.11,-108.09) 08/10/2020   06:57:42  ( -70.11,-108.15)    2.18                41
 08/10/2020   07:47:50   (  70.00,  59.40) 08/10/2020   07:48:26  (  69.99,  59.34)    2.42                36
 08/12/2020   22:25:15   (  70.63,-159.09) 08/12/2020   22:24:05  (  70.65,-160.55)   54.00                70
 08/12/2020   23:14:54   ( -70.03,   7.68) 08/12/2020   23:14:37  ( -70.03,   7.74)    2.57                17
 08/13/2020   00:04:21   (  69.92, 175.16) 08/13/2020   00:05:21  (  69.91, 175.23)    2.45                60
 08/15/2020   14:41:54   (  70.10, -43.97) 08/15/2020   14:40:51  (  70.10, -43.91)    2.30                63
 08/15/2020   15:31:24   ( -70.01, 123.53) 08/15/2020   15:31:33  ( -70.00, 123.55)    1.46                 9
 08/15/2020   16:20:59   (  69.45, -69.60) 08/15/2020   16:22:08  (  69.41, -68.27)   52.04                69