Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 7 21.  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)
 07/22/2020   14:41:49   ( -70.16, 136.09) 07/22/2020   14:40:38  ( -70.15, 136.04)    2.17                71
 07/22/2020   15:31:17   (  70.01, -56.49) 07/22/2020   15:31:22  (  70.02, -56.46)    2.32                 5
 07/22/2020   16:20:49   ( -69.78, 110.83) 07/22/2020   16:22:01  ( -69.79, 111.21)   14.68                72
 07/25/2020   06:58:20   ( -70.10,-108.12) 07/25/2020   06:57:34  ( -70.11,-108.14)    1.40                46
 07/25/2020   07:47:47   (  70.00,  59.38) 07/25/2020   07:48:18  (  69.99,  59.36)    1.35                31
 07/27/2020   22:25:09   (  70.80,-158.83) 07/27/2020   22:24:01  (  70.84,-160.86)   74.30                68
 07/27/2020   23:14:50   ( -70.10,   7.76) 07/27/2020   23:14:30  ( -70.07,   7.69)    3.55                20
 07/28/2020   00:04:18   (  69.93, 175.17) 07/28/2020   00:05:14  (  69.95, 175.18)    2.34                56
 07/30/2020   14:41:51   (  70.14, -43.94) 07/30/2020   14:40:44  (  70.13, -43.95)    0.72                67
 07/30/2020   15:31:21   ( -70.03, 123.55) 07/30/2020   15:31:26  ( -70.04, 123.51)    1.63                 5
 07/30/2020   16:20:54   (  69.59, -69.42) 07/30/2020   16:22:04  (  69.60, -68.53)   34.48                70
 08/02/2020   06:58:20   (  70.12,  71.92) 08/02/2020   06:57:39  (  70.10,  71.87)    3.21                41
 08/02/2020   07:47:51   ( -69.97,-120.66) 08/02/2020   07:48:20  ( -69.95,-120.59)    3.16                29