Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 10 11.  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)
 10/13/2018   14:41:43   (  70.16, -43.94) 10/13/2018   14:41:21  (  70.18, -43.97)    3.24                22
 10/13/2018   15:31:13   ( -70.05, 123.54) 10/13/2018   15:32:02  ( -70.05, 123.55)    0.39                49
 10/16/2018   06:08:46   ( -70.27, -95.54) 10/16/2018   06:07:32  ( -70.31, -95.72)    8.34                74
 10/16/2018   06:58:14   (  70.11,  71.87) 10/16/2018   06:58:14  (  70.09,  71.94)    3.22                 0
 10/16/2018   07:47:44   ( -70.00,-120.65) 10/16/2018   07:48:56  ( -70.00,-120.62)    1.05                72
 10/18/2018   22:25:17   ( -70.22,  20.26) 10/18/2018   22:24:25  ( -70.22,  20.19)    2.81                52
 10/18/2018   23:14:44   (  70.11,-172.25) 10/18/2018   23:15:09  (  70.10,-172.32)    2.78                25
 10/19/2018   00:04:29   ( -69.18,  -5.88) 10/19/2018   00:05:35  ( -69.17,  -3.64)   88.63                66
 10/21/2018   14:41:47   ( -70.16, 136.06) 10/21/2018   14:41:18  ( -70.18, 136.01)    2.82                29
 10/21/2018   15:31:14   (  70.05, -56.45) 10/21/2018   15:32:02  (  70.07, -56.50)    2.46                48
 10/24/2018   06:08:46   (  70.32,  84.53) 10/24/2018   06:07:33  (  70.40,  84.13)   17.43                73
 10/24/2018   06:58:18   ( -70.11,-108.14) 10/24/2018   06:58:11  ( -70.10,-108.08)    2.41                 7
 10/24/2018   07:47:45   (  69.99,  59.35) 10/24/2018   07:48:55  (  69.98,  59.40)    2.44                70