Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 9 24.  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)
 09/24/2018   22:25:06   (  70.14,-159.81) 09/24/2018   22:24:27  (  70.17,-159.81)    3.36                39
 09/24/2018   23:14:36   ( -70.03,   7.66) 09/24/2018   23:15:08  ( -70.03,   7.73)    2.57                32
 09/27/2018   13:51:59   ( -70.82, 149.43) 09/27/2018   13:50:50  ( -70.84, 147.58)   67.48                69
 09/27/2018   14:41:37   (  70.11, -43.97) 09/27/2018   14:41:22  (  70.10, -43.93)    2.56                15
 09/27/2018   15:31:06   ( -70.01, 123.51) 09/27/2018   15:32:03  ( -70.01, 123.53)    0.92                57
 09/30/2018   06:08:40   ( -70.19, -95.63) 09/30/2018   06:07:33  ( -70.19, -95.61)    0.70                67
 09/30/2018   06:58:07   (  70.08,  71.86) 09/30/2018   06:58:17  (  70.08,  71.87)    0.57                10
 09/30/2018   07:47:42   ( -69.71,-121.04) 09/30/2018   07:48:53  ( -69.67,-120.20)   32.64                71
 10/02/2018   22:25:11   ( -70.16,  20.20) 10/02/2018   22:24:29  ( -70.18,  20.18)    1.98                42
 10/02/2018   23:14:38   (  70.05,-172.31) 10/02/2018   23:15:13  (  70.06,-172.33)    2.00                35
 10/05/2018   13:52:03   (  70.71, -30.73) 10/05/2018   13:50:53  (  70.78, -32.33)   59.07                70
 10/05/2018   14:41:42   ( -70.12, 136.03) 10/05/2018   14:41:24  ( -70.11, 136.06)    1.99                18
 10/05/2018   15:31:09   (  70.01, -56.49) 10/05/2018   15:32:08  (  70.00, -56.46)    1.59                59
 10/08/2018   06:08:43   (  70.18,  84.35) 10/08/2018   06:07:38  (  70.19,  84.38)    2.22                65
 10/08/2018   06:58:12   ( -70.08,-108.16) 10/08/2018   06:58:19  ( -70.10,-108.15)    1.73                 7
 10/08/2018   07:47:46   (  69.58,  58.79) 10/08/2018   07:48:56  (  69.62,  59.88)   42.45                70