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   06:08:21   ( -70.21, -95.59) 08/13/2018   06:07:08  ( -70.22, -95.60)    1.17                73
 08/13/2018   06:57:48   (  70.11,  71.92) 08/13/2018   06:57:52  (  70.11,  71.88)    1.36                 4
 08/13/2018   07:47:19   ( -69.94,-120.69) 08/13/2018   07:48:32  ( -69.90,-120.49)    8.56                73
 08/15/2018   22:24:52   ( -70.18,  20.25) 08/15/2018   22:24:04  ( -70.16,  20.25)    2.15                48
 08/15/2018   23:14:19   (  70.08,-172.25) 08/15/2018   23:14:48  (  70.05,-172.27)    3.22                29
 08/18/2018   13:51:39   (  70.97, -30.31) 08/18/2018   13:50:32  (  71.00, -32.65)   84.81                67
 08/18/2018   14:41:22   ( -70.15, 136.09) 08/18/2018   14:41:00  ( -70.16, 136.02)    2.93                22
 08/18/2018   15:30:50   (  70.00, -56.49) 08/18/2018   15:31:43  (  70.01, -56.43)    2.55                53
 08/21/2018   06:08:23   (  70.23,  84.44) 08/21/2018   06:07:14  (  70.22,  84.38)    2.59                69
 08/21/2018   06:57:53   ( -70.12,-108.08) 08/21/2018   06:57:56  ( -70.11,-108.14)    2.62                 3
 08/21/2018   07:47:24   (  69.80,  59.11) 08/21/2018   07:48:36  (  69.80,  59.64)   20.56                72
 08/23/2018   22:24:54   (  70.19,-159.73) 08/23/2018   22:24:10  (  70.18,-159.79)    2.56                44
 08/23/2018   23:14:24   ( -70.09,   7.75) 08/23/2018   23:14:52  ( -70.07,   7.70)    3.18                28
 08/26/2018   13:51:45   ( -70.97, 149.67) 08/26/2018   13:50:37  ( -71.01, 147.32)   85.38                68
 08/26/2018   14:41:25   (  70.15, -43.91) 08/26/2018   14:41:06  (  70.14, -43.95)    2.33                19
 08/26/2018   15:30:56   ( -70.00, 123.50) 08/26/2018   15:31:48  ( -70.02, 123.54)    3.17                52