Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2016 7 20.  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)
 07/22/2016   06:08:55   ( -70.20, -95.62) 07/22/2016   06:07:49  ( -70.20, -95.57)    1.98                66
 07/22/2016   06:58:22   (  70.10,  71.88) 07/22/2016   06:58:33  (  70.09,  71.90)    1.33                11
 07/22/2016   07:47:58   ( -69.66,-121.10) 07/22/2016   07:49:09  ( -69.68,-120.16)   36.48                71
 07/24/2016   22:25:25   ( -70.19,  20.24) 07/24/2016   22:24:43  ( -70.19,  20.21)    1.02                42
 07/24/2016   23:14:52   (  70.08,-172.26) 07/24/2016   23:15:27  (  70.09,-172.32)    2.30                35
 07/27/2016   13:52:15   (  70.82, -30.57) 07/27/2016   13:51:06  (  70.87, -32.42)   67.78                69
 07/27/2016   14:41:56   ( -70.11, 136.02) 07/27/2016   14:41:36  ( -70.13, 136.08)    3.05                20
 07/27/2016   15:31:23   (  70.01, -56.49) 07/27/2016   15:32:20  (  70.03, -56.47)    3.37                57
 07/30/2016   06:08:56   (  70.19,  84.38) 07/30/2016   06:07:47  (  70.19,  84.45)    2.85                69
 07/30/2016   06:58:26   ( -70.09,-108.14) 07/30/2016   06:58:29  ( -70.08,-108.06)    3.20                 3
 07/30/2016   07:47:57   (  69.76,  59.04) 07/30/2016   07:49:08  (  69.72,  59.78)   28.94                71
 08/01/2016   22:25:25   (  70.16,-159.79) 08/01/2016   22:24:40  (  70.19,-159.78)    3.46                45
 08/01/2016   23:14:55   ( -70.06,   7.70) 08/01/2016   23:15:22  ( -70.07,   7.71)    2.02                27