Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 8 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)
 08/13/2018   06:08:21   ( -70.23, -95.57) 08/13/2018   06:07:08  ( -70.20, -95.57)    2.86                73
 08/13/2018   06:57:49   (  70.07,  71.86) 08/13/2018   06:57:52  (  70.09,  71.91)    2.63                 3
 08/13/2018   07:47:20   ( -69.90,-120.74) 08/13/2018   07:48:32  ( -69.89,-120.47)   10.75                72
 08/15/2018   22:24:51   ( -70.20,  20.28) 08/15/2018   22:24:04  ( -70.20,  20.20)    2.94                47
 08/15/2018   23:14:19   (  70.04,-172.30) 08/15/2018   23:14:47  (  70.04,-172.25)    2.20                28
 08/18/2018   13:51:40   (  70.93, -30.38) 08/18/2018   13:50:32  (  70.98, -32.62)   81.72                68
 08/18/2018   14:41:23   ( -70.12, 136.03) 08/18/2018   14:41:00  ( -70.14, 136.05)    3.29                23
 08/18/2018   15:30:50   (  70.01, -56.47) 08/18/2018   15:31:43  (  69.99, -56.41)    3.35                53
 08/21/2018   06:08:24   (  70.19,  84.38) 08/21/2018   06:07:14  (  70.20,  84.41)    2.07                70
 08/21/2018   06:57:54   ( -70.08,-108.13) 08/21/2018   06:57:56  ( -70.09,-108.11)    1.60                 2
 08/21/2018   07:47:25   (  69.75,  59.05) 08/21/2018   07:48:36  (  69.78,  59.67)   24.15                71
 08/23/2018   22:24:55   (  70.15,-159.80) 08/23/2018   22:24:10  (  70.16,-159.76)    1.93                45
 08/23/2018   23:14:25   ( -70.05,   7.69) 08/23/2018   23:14:52  ( -70.04,   7.73)    1.49                27