Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 10 7.  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)
 10/08/2019   14:42:17   ( -70.16, 136.05) 10/08/2019   14:41:11  ( -70.15, 136.08)    1.93                66
 10/08/2019   15:31:44   (  70.06, -56.45) 10/08/2019   15:31:55  (  70.03, -56.44)    2.96                11
 10/08/2019   16:21:20   ( -69.62, 110.57) 10/08/2019   16:22:31  ( -69.62, 111.48)   35.28                71
 10/11/2019   06:58:47   ( -70.13,-108.11) 10/11/2019   06:58:05  ( -70.12,-108.11)    2.05                42
 10/11/2019   07:48:14   (  70.03,  59.39) 10/11/2019   07:48:49  (  70.00,  59.37)    2.87                35
 10/13/2019   22:25:37   (  70.76,-158.94) 10/13/2019   22:24:28  (  70.76,-160.68)   63.61                69
 10/13/2019   23:15:17   ( -70.10,   7.73) 10/13/2019   23:14:59  ( -70.09,   7.70)    1.79                18
 10/14/2019   00:04:44   (  69.99, 175.22) 10/14/2019   00:05:43  (  69.98, 175.18)    2.37                59
 10/16/2019   14:42:17   (  70.17, -43.93) 10/16/2019   14:41:11  (  70.16, -43.95)    1.58                66
 10/16/2019   15:31:47   ( -70.06, 123.55) 10/16/2019   15:31:53  ( -70.06, 123.51)    1.63                 6
 10/16/2019   16:21:20   (  69.62, -69.41) 10/16/2019   16:22:31  (  69.63, -68.54)   33.73                71
 10/19/2019   06:58:46   (  70.13,  71.89) 10/19/2019   06:58:04  (  70.14,  71.85)    1.94                42
 10/19/2019   07:48:16   ( -70.02,-120.63) 10/19/2019   07:48:46  ( -70.04,-120.69)    2.97                30