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   (  70.15, -43.94) 10/13/2018   14:41:20  (  70.13, -43.90)    2.77                23
 10/13/2018   15:31:13   ( -70.05, 123.54) 10/13/2018   15:32:02  ( -70.05, 123.54)    0.70                49
 10/16/2018   06:08:46   ( -70.27, -95.54) 10/16/2018   06:07:32  ( -70.32, -95.73)    8.90                74
 10/16/2018   06:58:14   (  70.11,  71.87) 10/16/2018   06:58:14  (  70.09,  71.93)    2.80                 0
 10/16/2018   07:47:44   ( -70.00,-120.65) 10/16/2018   07:48:56  ( -70.01,-120.63)    1.29                72
 10/18/2018   22:25:18   ( -70.17,  20.18) 10/18/2018   22:24:24  ( -70.17,  20.26)    3.09                54
 10/18/2018   23:14:44   (  70.11,-172.25) 10/18/2018   23:15:09  (  70.11,-172.33)    3.01                25
 10/19/2018   00:04:29   ( -69.18,  -5.88) 10/19/2018   00:05:35  ( -69.17,  -3.65)   88.35                66
 10/21/2018   14:41:48   ( -70.17, 136.07) 10/21/2018   14:41:19  ( -70.19, 136.01)    3.19                29
 10/21/2018   15:31:14   (  70.06, -56.44) 10/21/2018   15:32:02  (  70.07, -56.51)    2.73                48
 10/24/2018   06:08:46   (  70.33,  84.54) 10/24/2018   06:07:33  (  70.40,  84.12)   17.70                73
 10/24/2018   06:58:18   ( -70.11,-108.13) 10/24/2018   06:58:11  ( -70.10,-108.09)    2.13                 7
 10/24/2018   07:47:45   (  70.00,  59.36) 10/24/2018   07:48:55  (  69.98,  59.39)    2.38                70