Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 9 24.  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)
 09/25/2019   06:58:45   ( -70.09,-108.16) 09/25/2019   06:58:08  ( -70.07,-108.13)    2.14                37
 09/25/2019   07:48:12   (  69.98,  59.33) 09/25/2019   07:48:52  (  69.96,  59.35)    2.22                40
 09/27/2019   22:25:39   (  70.52,-159.30) 09/27/2019   22:24:28  (  70.54,-160.40)   41.10                71
 09/27/2019   23:15:15   ( -70.08,   7.71) 09/27/2019   23:15:03  ( -70.07,   7.65)    2.37                12
 09/28/2019   00:04:42   (  69.97, 175.20) 09/28/2019   00:05:47  (  69.97, 175.12)    3.00                65
 09/30/2019   14:42:15   (  70.12, -43.99) 09/30/2019   14:41:14  (  70.12, -43.97)    1.04                61
 09/30/2019   15:31:45   ( -70.01, 123.49) 09/30/2019   15:31:56  ( -70.02, 123.50)    0.98                11
 09/30/2019   16:21:21   (  69.41, -69.70) 09/30/2019   16:22:30  (  69.39, -68.25)   56.61                69
 10/03/2019   06:58:45   (  70.10,  71.86) 10/03/2019   06:58:08  (  70.08,  71.88)    3.00                37
 10/03/2019   07:48:15   ( -70.00,-120.65) 10/03/2019   07:48:50  ( -69.97,-120.65)    2.85                35
 10/05/2019   22:25:39   ( -70.69,  20.96) 10/05/2019   22:24:30  ( -70.76,  19.25)   62.96                69
 10/05/2019   23:15:15   (  70.08,-172.29) 10/05/2019   23:15:03  (  70.08,-172.36)    2.77                12
 10/06/2019   00:04:46   ( -69.93,  -4.87) 10/06/2019   00:05:44  ( -69.93,  -4.81)    2.57                58