Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 6 8.  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)
 06/10/2018   06:07:46   ( -70.21, -95.58) 06/10/2018   06:06:56  ( -70.23, -95.63)    3.22                50
 06/10/2018   06:57:13   (  70.10,  71.92) 06/10/2018   06:57:40  (  70.10,  71.87)    1.89                27
 06/10/2018   07:46:59   ( -69.12,-121.79) 06/10/2018   07:48:05  ( -69.13,-119.38)   95.53                66
 06/12/2018   22:24:18   ( -70.16,  20.23) 06/12/2018   22:23:50  ( -70.18,  20.22)    2.05                28
 06/12/2018   23:13:45   (  70.05,-172.28) 06/12/2018   23:14:34  (  70.05,-172.28)    0.16                49
 06/15/2018   13:51:18   (  70.32, -31.29) 06/15/2018   13:50:05  (  70.37, -31.62)   13.55                73
 06/15/2018   14:40:50   ( -70.11, 136.04) 06/15/2018   14:40:44  ( -70.13, 136.07)    2.43                 6
 06/15/2018   15:30:16   (  70.00, -56.48) 06/15/2018   15:31:27  (  70.01, -56.43)    1.71                71
 06/18/2018   06:07:50   (  70.21,  84.43) 06/18/2018   06:06:56  (  70.22,  84.39)    1.80                54
 06/18/2018   06:57:20   ( -70.11,-108.08) 06/18/2018   06:57:37  ( -70.08,-108.08)    3.30                17
 06/18/2018   07:47:01   (  69.23,  58.35) 06/18/2018   07:48:07  (  69.22,  60.49)   84.58                66
 06/20/2018   22:24:22   (  70.15,-159.78) 06/20/2018   22:23:50  (  70.18,-159.77)    2.78                32
 06/20/2018   23:13:52   ( -70.06,   7.72) 06/20/2018   23:14:31  ( -70.04,   7.76)    2.63                39