Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 10 10.  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)
 10/11/2019   06:58:47   ( -70.13,-108.11) 10/11/2019   06:58:05  ( -70.12,-108.11)    1.34                42
 10/11/2019   07:48:14   (  70.03,  59.39) 10/11/2019   07:48:49  (  70.00,  59.37)    3.02                35
 10/13/2019   22:25:38   (  70.71,-159.02) 10/13/2019   22:24:29  (  70.81,-160.76)   64.99                69
 10/13/2019   23:15:17   ( -70.10,   7.73) 10/13/2019   23:14:59  ( -70.09,   7.70)    1.87                18
 10/14/2019   00:04:44   (  70.00, 175.22) 10/14/2019   00:05:43  (  69.97, 175.18)    3.17                59
 10/16/2019   14:42:17   (  70.18, -43.92) 10/16/2019   14:41:11  (  70.15, -43.95)    3.26                66
 10/16/2019   15:31:47   ( -70.07, 123.56) 10/16/2019   15:31:53  ( -70.06, 123.51)    2.29                 6
 10/16/2019   16:21:20   (  69.63, -69.40) 10/16/2019   16:22:31  (  69.63, -68.54)   33.38                71
 10/19/2019   06:58:46   (  70.14,  71.91) 10/19/2019   06:58:04  (  70.13,  71.86)    2.64                42
 10/19/2019   07:48:16   ( -70.04,-120.61) 10/19/2019   07:48:46  ( -70.03,-120.68)    2.77                30
 10/21/2019   22:25:36   ( -70.92,  21.30) 10/21/2019   22:24:28  ( -70.95,  19.01)   83.47                68
 10/21/2019   23:15:16   (  70.10,-172.27) 10/21/2019   23:14:58  (  70.10,-172.34)    2.72                18
 10/22/2019   00:04:47   ( -69.94,  -4.86) 10/22/2019   00:05:39  ( -69.96,  -4.80)    2.79                52