Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 8 12.  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)
 08/13/2018   06:08:20   ( -70.25, -95.53) 08/13/2018   06:07:08  ( -70.23, -95.62)    3.82                72
 08/13/2018   06:57:48   (  70.10,  71.89) 08/13/2018   06:57:52  (  70.12,  71.86)    2.77                 4
 08/13/2018   07:47:19   ( -69.93,-120.71) 08/13/2018   07:48:32  ( -69.92,-120.51)    7.61                73
 08/15/2018   22:24:52   ( -70.17,  20.23) 08/15/2018   22:24:04  ( -70.18,  20.23)    0.81                48
 08/15/2018   23:14:19   (  70.07,-172.27) 08/15/2018   23:14:48  (  70.07,-172.29)    0.98                29
 08/18/2018   13:51:40   (  70.96, -30.34) 08/18/2018   13:50:33  (  71.01, -32.68)   84.97                67
 08/18/2018   14:41:23   ( -70.14, 136.07) 08/18/2018   14:41:00  ( -70.12, 136.08)    1.96                23
 08/18/2018   15:30:50   (  70.04, -56.43) 08/18/2018   15:31:44  (  70.02, -56.45)    1.99                54
 08/21/2018   06:08:23   (  70.21,  84.42) 08/21/2018   06:07:14  (  70.23,  84.36)    3.18                69
 08/21/2018   06:57:53   ( -70.11,-108.09) 08/21/2018   06:57:56  ( -70.13,-108.16)    2.97                 3
 08/21/2018   07:47:24   (  69.78,  59.09) 08/21/2018   07:48:35  (  69.76,  59.70)   23.75                71
 08/23/2018   22:24:54   (  70.18,-159.75) 08/23/2018   22:24:10  (  70.19,-159.80)    2.36                44
 08/23/2018   23:14:24   ( -70.08,   7.74) 08/23/2018   23:14:52  ( -70.08,   7.68)    2.00                28