Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2017 7 30.  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)
 08/02/2017   06:58:23   ( -70.13,-108.09) 08/02/2017   06:57:38  ( -70.10,-108.07)    3.31                45
 08/02/2017   07:47:50   (  70.02,  59.41) 08/02/2017   07:48:22  (  69.99,  59.41)    3.66                32
 08/04/2017   22:25:13   (  70.74,-158.94) 08/04/2017   22:24:04  (  70.80,-160.73)   65.92                69
 08/04/2017   23:14:53   ( -70.08,   7.73) 08/04/2017   23:14:34  ( -70.06,   7.75)    2.56                19
 08/05/2017   00:04:20   (  69.98, 175.22) 08/05/2017   00:05:18  (  69.96, 175.22)    1.98                58
 08/07/2017   14:41:54   (  70.14, -43.95) 08/07/2017   14:40:49  (  70.14, -43.91)    1.28                65
 08/07/2017   15:31:24   ( -70.04, 123.54) 08/07/2017   15:31:31  ( -70.03, 123.57)    1.45                 7
 08/07/2017   16:20:58   (  69.54, -69.50) 08/07/2017   16:22:08  (  69.56, -68.42)   42.12                70
 08/10/2017   06:58:25   (  70.09,  71.86) 08/10/2017   06:57:46  (  70.11,  71.89)    2.70                39
 08/10/2017   07:47:55   ( -69.99,-120.65) 08/10/2017   07:48:28  ( -70.00,-120.62)    1.45                33
 08/12/2017   22:25:19   ( -70.69,  20.98) 08/12/2017   22:24:10  ( -70.75,  19.33)   61.10                69
 08/12/2017   23:14:55   (  70.09,-172.27) 08/12/2017   23:14:43  (  70.08,-172.30)    1.47                12
 08/13/2017   00:04:24   ( -69.99,  -4.77) 08/13/2017   00:05:24  ( -69.96,  -4.81)    3.16                60