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   ( -70.81,  21.18) 08/04/2020   22:24:04  ( -70.84,  19.14)   74.57                68
 08/04/2020   23:14:51   (  70.05,-172.29) 08/04/2020   23:14:35  (  70.04,-172.27)    2.14                16
 08/05/2020   00:04:21   ( -69.94,  -4.82) 08/05/2020   00:05:17  ( -69.96,  -4.83)    1.63                56
 08/07/2020   14:41:53   ( -70.14, 136.06) 08/07/2020   14:40:46  ( -70.13, 136.05)    0.85                67
 08/07/2020   15:31:20   (  70.03, -56.44) 08/07/2020   15:31:30  (  70.01, -56.46)    2.44                10
 08/07/2020   16:20:55   ( -69.65, 110.66) 08/07/2020   16:22:06  ( -69.61, 111.46)   31.29                71
 08/10/2020   06:58:23   ( -70.12,-108.08) 08/10/2020   06:57:42  ( -70.10,-108.14)    2.57                41
 08/10/2020   07:47:50   (  70.00,  59.40) 08/10/2020   07:48:26  (  69.98,  59.35)    3.13                36
 08/12/2020   22:25:15   (  70.63,-159.08) 08/12/2020   22:24:06  (  70.69,-160.62)   57.24                69
 08/12/2020   23:14:54   ( -70.04,   7.69) 08/12/2020   23:14:37  ( -70.02,   7.75)    3.20                17
 08/13/2020   00:04:21   (  69.92, 175.17) 08/13/2020   00:05:21  (  69.90, 175.24)    3.14                60
 08/15/2020   14:41:54   (  70.11, -43.97) 08/15/2020   14:40:51  (  70.09, -43.90)    2.99                63
 08/15/2020   15:31:24   ( -70.01, 123.53) 08/15/2020   15:31:33  ( -69.99, 123.56)    2.27                 9
 08/15/2020   16:20:59   (  69.45, -69.60) 08/15/2020   16:22:08  (  69.40, -68.26)   52.38                69
 08/18/2020   06:58:23   (  70.07,  71.87) 08/18/2020   06:57:46  (  70.07,  71.90)    1.18                37
 08/18/2020   07:47:53   ( -69.98,-120.63) 08/18/2020   07:48:28  ( -69.97,-120.63)    1.46                35