Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2016 7 13.  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)
 07/14/2016   06:08:52   (  70.20,  84.38) 07/14/2016   06:07:54  (  70.19,  84.43)    2.02                58
 07/14/2016   06:58:22   ( -70.08,-108.15) 07/14/2016   06:58:36  ( -70.10,-108.11)    2.07                14
 07/14/2016   07:48:00   (  69.38,  58.52) 07/14/2016   07:49:08  (  69.35,  60.30)   69.82                68
 07/16/2016   22:25:21   (  70.20,-159.74) 07/16/2016   22:24:47  (  70.18,-159.78)    2.49                34
 07/16/2016   23:14:51   ( -70.09,   7.73) 07/16/2016   23:15:29  ( -70.08,   7.68)    2.00                38
 07/19/2016   13:52:16   ( -70.73, 149.29) 07/19/2016   13:51:06  ( -70.75, 147.78)   55.35                70
 07/19/2016   14:41:52   (  70.14, -43.95) 07/19/2016   14:41:40  (  70.12, -43.92)    2.09                12
 07/19/2016   15:31:22   ( -70.03, 123.53) 07/19/2016   15:32:22  ( -70.02, 123.55)    1.57                60
 07/22/2016   06:08:55   ( -70.24, -95.57) 07/22/2016   06:07:50  ( -70.21, -95.59)    2.84                65
 07/22/2016   06:58:22   (  70.13,  71.92) 07/22/2016   06:58:34  (  70.12,  71.86)    2.39                12
 07/22/2016   07:47:59   ( -69.64,-121.13) 07/22/2016   07:49:09  ( -69.64,-120.11)   39.65                70
 07/24/2016   22:25:26   ( -70.17,  20.21) 07/24/2016   22:24:43  ( -70.15,  20.27)    2.96                43
 07/24/2016   23:14:53   (  70.05,-172.30) 07/24/2016   23:15:27  (  70.06,-172.28)    1.10                34