Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2017 6 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)
 07/01/2017   06:58:11   ( -70.11,-108.10) 07/01/2017   06:57:29  ( -70.10,-108.05)    2.64                42
 07/01/2017   07:47:38   (  70.01,  59.40) 07/01/2017   07:48:14  (  70.02,  59.37)    1.44                36
 07/03/2017   22:25:02   (  70.70,-158.99) 07/03/2017   22:23:53  (  70.77,-160.67)   62.08                69
 07/03/2017   23:14:41   ( -70.09,   7.75) 07/03/2017   23:14:24  ( -70.11,   7.70)    2.68                17
 07/04/2017   00:04:08   (  69.99, 175.25) 07/04/2017   00:05:08  (  69.99, 175.19)    2.19                60
 07/06/2017   14:41:41   (  70.18, -43.88) 07/06/2017   14:40:36  (  70.16, -43.92)    2.85                65
 07/06/2017   15:31:11   ( -70.07, 123.60) 07/06/2017   15:31:18  ( -70.07, 123.53)    2.73                 7
 07/06/2017   16:20:45   (  69.58, -69.44) 07/06/2017   16:21:55  (  69.58, -68.43)   38.99                70
 07/09/2017   06:58:10   (  70.15,  71.97) 07/09/2017   06:57:29  (  70.13,  71.90)    3.55                41
 07/09/2017   07:47:41   ( -69.99,-120.63) 07/09/2017   07:48:10  ( -69.99,-120.56)    2.62                29
 07/11/2017   22:25:01   ( -70.89,  21.30) 07/11/2017   22:23:53  ( -70.94,  19.06)   81.62                68
 07/11/2017   23:14:41   (  70.07,-172.27) 07/11/2017   23:14:22  (  70.05,-172.20)    3.34                19
 07/12/2017   00:04:11   ( -69.97,  -4.78) 07/12/2017   00:05:04  ( -69.95,  -4.74)    2.27                53
 07/14/2017   14:41:44   ( -70.15, 136.08) 07/14/2017   14:40:33  ( -70.18, 136.07)    3.24                71
 07/14/2017   15:31:11   (  70.04, -56.44) 07/14/2017   15:31:16  (  70.02, -56.39)    2.26                 5
 07/14/2017   16:20:43   ( -69.83, 110.90) 07/14/2017   16:21:56  ( -69.82, 111.24)   13.01                73