Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 9 10.  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)
 09/11/2018   13:51:52   ( -70.86, 149.49) 09/11/2018   13:50:43  ( -70.88, 147.53)   71.62                69
 09/11/2018   14:41:30   (  70.16, -43.91) 09/11/2018   14:41:15  (  70.14, -43.98)    3.26                15
 09/11/2018   15:31:01   ( -69.99, 123.49) 09/11/2018   15:31:56  ( -69.99, 123.56)    2.92                55
 09/14/2018   06:08:34   ( -70.19, -95.62) 09/14/2018   06:07:27  ( -70.22, -95.64)    3.28                67
 09/14/2018   06:58:01   (  70.09,  71.87) 09/14/2018   06:58:11  (  70.11,  71.83)    3.28                10
 09/14/2018   07:47:36   ( -69.70,-121.03) 09/14/2018   07:48:47  ( -69.70,-120.22)   31.07                71
 09/16/2018   22:25:03   ( -70.18,  20.24) 09/16/2018   22:24:22  ( -70.19,  20.17)    2.74                41
 09/16/2018   23:14:30   (  70.07,-172.27) 09/16/2018   23:15:06  (  70.08,-172.35)    3.53                36
 09/19/2018   13:51:55   (  70.70, -30.75) 09/19/2018   13:50:45  (  70.73, -32.25)   55.27                70
 09/19/2018   14:41:34   ( -70.10, 136.01) 09/19/2018   14:41:17  ( -70.11, 136.07)    2.30                17
 09/19/2018   15:31:01   (  69.99, -56.50) 09/19/2018   15:32:01  (  70.00, -56.46)    2.14                60
 09/22/2018   06:08:34   (  70.18,  84.37) 09/22/2018   06:07:31  (  70.18,  84.40)    1.56                63
 09/22/2018   06:58:04   ( -70.08,-108.14) 09/22/2018   06:58:13  ( -70.08,-108.12)    0.91                 9
 09/22/2018   07:47:39   (  69.52,  58.73) 09/22/2018   07:48:48  (  69.50,  60.05)   51.52                69