Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2016 8 11.  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)
 08/12/2016   14:41:58   ( -70.12, 136.03) 08/12/2016   14:41:28  ( -70.14, 136.09)    2.80                30
 08/12/2016   15:31:25   (  70.02, -56.47) 08/12/2016   15:32:12  (  70.03, -56.44)    2.27                47
 08/15/2016   06:08:56   (  70.35,  84.61) 08/15/2016   06:07:43  (  70.41,  84.12)   19.51                73
 08/15/2016   06:58:29   ( -70.09,-108.14) 08/15/2016   06:58:21  ( -70.10,-108.08)    3.01                 8
 08/15/2016   07:47:56   (  69.97,  59.35) 08/15/2016   07:49:05  (  70.00,  59.39)    3.05                69
 08/17/2016   22:25:28   (  70.20,-159.74) 08/17/2016   22:24:31  (  70.17,-159.72)    2.97                57
 08/17/2016   23:14:58   ( -70.10,   7.75) 08/17/2016   23:15:13  ( -70.07,   7.75)    3.32                15
 08/18/2016   00:04:37   (  69.32, 174.33) 08/18/2016   00:05:45  (  69.33, 176.15)   71.21                68
 08/20/2016   14:41:59   (  70.14, -43.93) 08/20/2016   14:41:24  (  70.14, -43.90)    1.14                35
 08/20/2016   15:31:29   ( -70.05, 123.56) 08/20/2016   15:32:06  ( -70.04, 123.57)    1.24                37
 08/23/2016   06:08:53   ( -70.75, -94.80) 08/23/2016   06:07:44  ( -70.79, -96.47)   61.17                69
 08/23/2016   06:58:29   (  70.14,  71.94) 08/23/2016   06:58:17  (  70.12,  71.91)    2.78                12
 08/23/2016   07:48:00   ( -69.99,-120.64) 08/23/2016   07:48:59  ( -70.01,-120.61)    2.32                59