Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2017 10 15.  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)
 10/15/2017   22:25:43   ( -70.18,  20.18) 10/15/2017   22:24:32  ( -70.19,  20.19)    1.59                71
 10/15/2017   23:15:10   (  70.07,-172.33) 10/15/2017   23:15:16  (  70.07,-172.32)    0.57                 6
 10/16/2017   00:04:43   ( -69.80,  -5.07) 10/16/2017   00:05:55  ( -69.83,  -4.64)   17.18                72
 10/18/2017   14:42:13   ( -70.15, 136.02) 10/18/2017   14:41:26  ( -70.12, 136.06)    3.16                47
 10/18/2017   15:31:40   (  70.03, -56.50) 10/18/2017   15:32:11  (  70.05, -56.53)    2.55                31
 10/21/2017   06:09:01   (  70.87,  85.34) 10/21/2017   06:07:53  (  70.93,  83.21)   77.78                68
 10/21/2017   06:58:43   ( -70.11,-108.15) 10/21/2017   06:58:21  ( -70.11,-108.16)    0.35                22
 10/21/2017   07:48:10   (  70.00,  59.33) 10/21/2017   07:49:05  (  69.99,  59.33)    0.76                55
 10/23/2017   22:25:43   (  70.17,-159.82) 10/23/2017   22:24:34  (  70.19,-159.83)    2.09                69
 10/23/2017   23:15:13   ( -70.07,   7.67) 10/23/2017   23:15:15  ( -70.05,   7.70)    2.90                 2
 10/24/2017   00:04:44   (  69.73, 174.84) 10/24/2017   00:05:55  (  69.72, 175.50)   25.45                71
 10/26/2017   14:42:12   (  70.12, -44.01) 10/26/2017   14:41:27  (  70.13, -43.98)    1.54                45
 10/26/2017   15:31:42   ( -70.02, 123.48) 10/26/2017   15:32:09  ( -70.04, 123.47)    1.87                27
 10/29/2017   06:09:00   ( -71.00, -94.46) 10/29/2017   06:07:53  ( -71.03, -96.97)   90.81                67
 10/29/2017   06:58:42   (  70.07,  71.79) 10/29/2017   06:58:21  (  70.08,  71.87)    2.95                21
 10/29/2017   07:48:12   ( -69.97,-120.71) 10/29/2017   07:49:03  ( -69.98,-120.68)    1.93                51