Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2016 7 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)
 07/30/2016   06:08:55   (  70.22,  84.42) 07/30/2016   06:07:47  (  70.22,  84.40)    0.78                68
 07/30/2016   06:58:25   ( -70.10,-108.12) 07/30/2016   06:58:29  ( -70.12,-108.13)    2.10                 4
 07/30/2016   07:47:57   (  69.73,  59.00) 07/30/2016   07:49:08  (  69.75,  59.73)   28.14                71
 08/01/2016   22:25:25   (  70.19,-159.74) 08/01/2016   22:24:40  (  70.17,-159.75)    2.27                45
 08/01/2016   23:14:55   ( -70.08,   7.73) 08/01/2016   23:15:22  ( -70.07,   7.72)    1.18                27
 08/04/2016   13:52:13   ( -71.08, 149.84) 08/04/2016   13:51:06  ( -71.11, 147.19)   95.30                67
 08/04/2016   14:41:55   (  70.16, -43.91) 08/04/2016   14:41:34  (  70.18, -43.98)    3.37                21
 08/04/2016   15:31:25   ( -70.05, 123.57) 08/04/2016   15:32:16  ( -70.07, 123.50)    3.53                51
 08/07/2016   06:08:58   ( -70.23, -95.56) 08/07/2016   06:07:44  ( -70.27, -95.67)    6.05                74
 08/07/2016   06:58:25   (  70.13,  71.92) 08/07/2016   06:58:27  (  70.13,  71.87)    2.26                 2
 08/07/2016   07:47:55   ( -70.02,-120.59) 08/07/2016   07:49:09  ( -70.02,-120.65)    2.31                74
 08/09/2016   22:25:27   ( -70.20,  20.27) 08/09/2016   22:24:35  ( -70.17,  20.26)    3.08                52
 08/09/2016   23:14:54   (  70.09,-172.25) 08/09/2016   23:15:19  (  70.08,-172.29)    1.71                25
 08/10/2016   00:04:39   ( -69.16,  -5.88) 08/10/2016   00:05:45  ( -69.12,  -3.57)   91.32                66
 08/12/2016   14:41:57   ( -70.16, 136.09) 08/12/2016   14:41:29  ( -70.17, 136.03)    2.85                28
 08/12/2016   15:31:24   (  70.05, -56.42) 08/12/2016   15:32:12  (  70.03, -56.44)    1.65                48