Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 10 16.  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)
 10/16/2018   06:08:46   ( -70.27, -95.54) 10/16/2018   06:07:32  ( -70.31, -95.71)    7.38                74
 10/16/2018   06:58:14   (  70.12,  71.88) 10/16/2018   06:58:15  (  70.13,  71.87)    1.34                 1
 10/16/2018   07:47:44   ( -70.00,-120.65) 10/16/2018   07:48:56  ( -70.00,-120.61)    1.68                72
 10/18/2018   22:25:16   ( -70.22,  20.26) 10/18/2018   22:24:24  ( -70.21,  20.20)    2.53                52
 10/18/2018   23:14:44   (  70.06,-172.32) 10/18/2018   23:15:08  (  70.09,-172.30)    3.07                24
 10/19/2018   00:04:28   ( -69.18,  -5.88) 10/19/2018   00:05:34  ( -69.16,  -3.63)   89.05                66
 10/21/2018   14:41:47   ( -70.17, 136.07) 10/21/2018   14:41:18  ( -70.18, 136.02)    1.90                29
 10/21/2018   15:31:14   (  70.06, -56.44) 10/21/2018   15:32:02  (  70.06, -56.48)    1.74                48
 10/24/2018   06:08:46   (  70.33,  84.54) 10/24/2018   06:07:33  (  70.39,  84.15)   16.25                73
 10/24/2018   06:58:18   ( -70.11,-108.14) 10/24/2018   06:58:11  ( -70.09,-108.08)    3.18                 7
 10/24/2018   07:47:45   (  70.00,  59.35) 10/24/2018   07:48:56  (  70.02,  59.33)    2.46                71
 10/26/2018   22:25:18   (  70.21,-159.75) 10/26/2018   22:24:24  (  70.20,-159.80)    2.14                54
 10/26/2018   23:14:49   ( -70.05,   7.66) 10/26/2018   23:15:05  ( -70.06,   7.74)    3.12                16
 10/27/2018   00:04:29   (  69.22, 174.17) 10/27/2018   00:05:36  (  69.25, 176.23)   80.99                67
 10/29/2018   14:41:48   (  70.15, -43.96) 10/29/2018   14:41:16  (  70.12, -43.91)    3.24                32
 10/29/2018   15:31:18   ( -70.04, 123.52) 10/29/2018   15:31:58  ( -70.03, 123.54)    1.36                40