Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2016 10 15.  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)
 10/15/2016   14:42:15   ( -70.13, 136.00) 10/15/2016   14:41:28  ( -70.15, 136.06)    3.28                47
 10/15/2016   15:31:42   (  70.03, -56.49) 10/15/2016   15:32:12  (  70.02, -56.43)    2.88                30
 10/18/2016   06:09:03   (  70.88,  85.36) 10/18/2016   06:07:55  (  70.92,  83.28)   75.96                68
 10/18/2016   06:58:45   ( -70.11,-108.14) 10/18/2016   06:58:23  ( -70.11,-108.10)    1.73                22
 10/18/2016   07:48:12   (  70.01,  59.35) 10/18/2016   07:49:08  (  70.03,  59.32)    2.60                56
 10/20/2016   22:25:45   (  70.19,-159.78) 10/20/2016   22:24:37  (  70.20,-159.80)    0.79                68
 10/20/2016   23:15:15   ( -70.08,   7.69) 10/20/2016   23:15:18  ( -70.06,   7.73)    2.65                 3
 10/21/2016   00:04:47   (  69.70, 174.81) 10/21/2016   00:05:58  (  69.73, 175.54)   28.36                71
 10/23/2016   14:42:14   (  70.15, -43.96) 10/23/2016   14:41:31  (  70.16, -43.98)    1.36                43
 10/23/2016   15:31:44   ( -70.05, 123.52) 10/23/2016   15:32:12  ( -70.02, 123.55)    2.81                28
 10/26/2016   06:09:04   ( -70.92, -94.58) 10/26/2016   06:07:56  ( -70.98, -96.84)   82.17                68
 10/26/2016   06:58:44   (  70.10,  71.85) 10/26/2016   06:58:26  (  70.13,  71.83)    3.24                18
 10/26/2016   07:48:14   ( -70.00,-120.67) 10/26/2016   07:49:07  ( -69.99,-120.63)    1.86                53
 10/28/2016   22:25:47   ( -70.16,  20.16) 10/28/2016   22:24:36  ( -70.16,  20.24)    3.02                71
 10/28/2016   23:15:14   (  70.04,-172.36) 10/28/2016   23:15:20  (  70.05,-172.28)    2.89                 6
 10/29/2016   00:04:47   ( -69.78,  -5.10) 10/29/2016   00:05:59  ( -69.80,  -4.59)   19.71                72