Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 9 23.  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)
 09/24/2020   14:42:12   ( -70.15, 136.04) 09/24/2020   14:41:04  ( -70.14, 136.00)    1.62                68
 09/24/2020   15:31:39   (  70.04, -56.46) 09/24/2020   15:31:48  (  70.03, -56.52)    2.35                 9
 09/24/2020   16:21:14   ( -69.66, 110.64) 09/24/2020   16:22:25  ( -69.67, 111.34)   27.03                71
 09/27/2020   06:58:43   ( -70.08,-108.17) 09/27/2020   06:57:59  ( -70.10,-108.15)    1.57                44
 09/27/2020   07:48:10   (  69.97,  59.32) 09/27/2020   07:48:43  (  69.99,  59.32)    1.71                33
 09/29/2020   22:25:33   (  70.72,-158.99) 09/29/2020   22:24:24  (  70.79,-160.79)   66.64                69
 09/29/2020   23:15:13   ( -70.07,   7.69) 09/29/2020   23:14:54  ( -70.05,   7.69)    1.97                19
 09/30/2020   00:04:40   (  69.96, 175.18) 09/30/2020   00:05:38  (  69.95, 175.16)    1.39                58
 10/02/2020   14:42:14   (  70.10, -44.02) 10/02/2020   14:41:07  (  70.12, -43.95)    3.22                67
 10/02/2020   15:31:44   ( -70.00, 123.47) 10/02/2020   15:31:49  ( -70.01, 123.52)    2.53                 5
 10/02/2020   16:21:16   (  69.61, -69.43) 10/02/2020   16:22:27  (  69.59, -68.54)   34.36                71
 10/05/2020   06:58:43   (  70.08,  71.83) 10/05/2020   06:58:01  (  70.08,  71.87)    1.85                42
 10/05/2020   07:48:13   ( -69.98,-120.68) 10/05/2020   07:48:43  ( -69.97,-120.65)    1.42                30