Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2016 1 1.  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)
 01/04/2016   05:19:33   ( -70.31, -83.14) 01/04/2016   05:18:29  ( -70.33, -83.10)    3.08                64
 01/04/2016   06:09:00   (  70.21,  84.35) 01/04/2016   06:09:13  (  70.21,  84.40)    1.69                13
 01/04/2016   06:58:37   ( -69.71,-108.71) 01/04/2016   06:59:47  ( -69.71,-107.52)   45.84                70
 01/06/2016   21:36:01   ( -70.30,  32.73) 01/06/2016   21:35:21  ( -70.28,  32.76)    2.70                40
 01/06/2016   22:25:28   (  70.19,-159.78) 01/06/2016   22:26:06  (  70.21,-159.83)    2.70                38
 01/09/2016   13:02:50   (  70.83, -18.24) 01/09/2016   13:01:40  (  70.84, -19.68)   52.95                70
 01/09/2016   13:52:28   ( -70.28, 148.58) 01/09/2016   13:52:13  ( -70.28, 148.53)    2.08                15
 01/09/2016   14:41:55   (  70.17, -43.93) 01/09/2016   14:42:57  (  70.16, -43.98)    2.21                62
 01/12/2016   05:19:27   (  70.30,  96.86) 01/12/2016   05:18:23  (  70.32,  96.92)    3.21                64
 01/12/2016   06:08:56   ( -70.25, -95.58) 01/12/2016   06:09:05  ( -70.24, -95.63)    2.41                 9
 01/12/2016   06:58:31   (  69.70,  71.29) 01/12/2016   06:59:41  (  69.69,  72.49)   46.40                70
 01/14/2016   21:35:54   (  70.31,-147.23) 01/14/2016   21:35:15  (  70.28,-147.24)    3.21                39
 01/14/2016   22:25:24   ( -70.21,  20.25) 01/14/2016   22:25:57  ( -70.19,  20.21)    2.00                33