Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2017 8 1.  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   ( -70.12,-108.10) 08/02/2017   06:57:38  ( -70.11,-108.08)    1.39                45
 08/02/2017   07:47:50   (  70.02,  59.40) 08/02/2017   07:48:22  (  70.00,  59.40)    2.15                32
 08/04/2017   22:25:13   (  70.73,-158.95) 08/04/2017   22:24:04  (  70.81,-160.75)   66.27                69
 08/04/2017   23:14:53   ( -70.08,   7.72) 08/04/2017   23:14:34  ( -70.07,   7.74)    0.88                19
 08/05/2017   00:04:20   (  69.97, 175.21) 08/05/2017   00:05:18  (  69.97, 175.21)    0.59                58
 08/07/2017   14:41:54   (  70.14, -43.95) 08/07/2017   14:40:49  (  70.14, -43.93)    1.26                65
 08/07/2017   15:31:24   ( -70.03, 123.53) 08/07/2017   15:31:31  ( -70.04, 123.55)    1.00                 7
 08/07/2017   16:20:58   (  69.54, -69.51) 08/07/2017   16:22:08  (  69.56, -68.43)   41.87                70
 08/10/2017   06:58:25   (  70.09,  71.86) 08/10/2017   06:57:46  (  70.12,  71.88)    3.34                39
 08/10/2017   07:47:55   ( -69.99,-120.65) 08/10/2017   07:48:28  ( -70.01,-120.64)    2.38                33
 08/12/2017   22:25:19   ( -70.70,  20.98) 08/12/2017   22:24:10  ( -70.76,  19.31)   61.89                69
 08/12/2017   23:14:55   (  70.09,-172.26) 08/12/2017   23:14:43  (  70.09,-172.31)    2.00                12
 08/13/2017   00:04:25   ( -69.99,  -4.77) 08/13/2017   00:05:25  ( -69.98,  -4.83)    2.87                60
 08/15/2017   14:41:58   ( -70.15, 136.06) 08/15/2017   14:40:55  ( -70.15, 136.04)    0.98                63
 08/15/2017   15:31:25   (  70.04, -56.46) 08/15/2017   15:31:38  (  70.01, -56.43)    3.17                13
 08/15/2017   16:21:03   ( -69.50, 110.43) 08/15/2017   16:22:13  ( -69.52, 111.61)   45.67                70