Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2017 8 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)
 08/18/2017   06:58:29   ( -70.09,-108.15) 08/18/2017   06:57:52  ( -70.12,-108.14)    3.24                37
 08/18/2017   07:47:56   (  69.98,  59.35) 08/18/2017   07:48:36  (  70.01,  59.33)    3.07                40
 08/20/2017   22:25:23   (  70.46,-159.37) 08/20/2017   22:24:12  (  70.51,-160.31)   35.75                71
 08/20/2017   23:14:58   ( -70.08,   7.71) 08/20/2017   23:14:48  ( -70.09,   7.66)    2.62                10
 08/21/2017   00:04:25   (  69.97, 175.21) 08/21/2017   00:05:32  (  69.99, 175.13)    3.65                67
 08/23/2017   14:41:59   (  70.11, -43.99) 08/23/2017   14:41:02  (  70.13, -43.94)    2.38                57
 08/23/2017   15:31:29   ( -70.01, 123.50) 08/23/2017   15:31:44  ( -70.02, 123.54)    1.85                15
 08/23/2017   16:21:08   (  69.23, -69.91) 08/23/2017   16:22:15  (  69.23, -67.99)   75.75                67
 08/26/2017   06:58:29   (  70.09,  71.86) 08/26/2017   06:57:59  (  70.11,  71.85)    1.75                30
 08/26/2017   07:47:59   ( -69.99,-120.65) 08/26/2017   07:48:41  ( -70.00,-120.67)    1.00                42
 08/28/2017   22:25:29   ( -70.35,  20.47) 08/28/2017   22:24:16  ( -70.40,  19.85)   23.68                73
 08/28/2017   23:14:59   (  70.07,-172.29) 08/28/2017   23:14:55  (  70.04,-172.28)    3.49                 4
 08/29/2017   00:04:30   ( -69.92,  -4.87) 08/29/2017   00:05:37  ( -69.93,  -4.80)    3.12                67