Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 10 6.  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)
 10/08/2018   06:08:42   (  70.23,  84.42) 10/08/2018   06:07:33  (  70.23,  84.42)    0.07                69
 10/08/2018   06:58:12   ( -70.12,-108.11) 10/08/2018   06:58:15  ( -70.15,-108.13)    3.04                 3
 10/08/2018   07:47:43   (  69.80,  59.08) 10/08/2018   07:48:54  (  69.76,  59.76)   26.12                71
 10/10/2018   22:25:13   (  70.19,-159.77) 10/10/2018   22:24:27  (  70.19,-159.74)    0.88                46
 10/10/2018   23:14:43   ( -70.08,   7.72) 10/10/2018   23:15:09  ( -70.10,   7.71)    1.99                26
 10/13/2018   14:41:43   (  70.14, -43.96) 10/13/2018   14:41:20  (  70.14, -43.91)    1.78                23
 10/13/2018   15:31:13   ( -70.04, 123.53) 10/13/2018   15:32:02  ( -70.05, 123.54)    1.78                49
 10/16/2018   06:08:46   ( -70.26, -95.56) 10/16/2018   06:07:32  ( -70.32, -95.73)    9.31                74
 10/16/2018   06:58:14   (  70.09,  71.85) 10/16/2018   06:58:14  (  70.10,  71.92)    2.94                 0
 10/16/2018   07:47:44   ( -69.99,-120.66) 10/16/2018   07:48:56  ( -70.01,-120.62)    2.53                72
 10/18/2018   22:25:17   ( -70.20,  20.25) 10/18/2018   22:24:25  ( -70.22,  20.19)    2.97                52
 10/18/2018   23:14:44   (  70.09,-172.27) 10/18/2018   23:15:09  (  70.11,-172.33)    3.09                25