Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2016 8 27.  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)
 08/28/2016   14:42:05   ( -70.16, 136.08) 08/28/2016   14:41:19  ( -70.16, 136.08)    0.20                46
 08/28/2016   15:31:32   (  70.06, -56.42) 08/28/2016   15:32:03  (  70.05, -56.44)    1.39                31
 08/31/2016   06:08:51   (  70.99,  85.56) 08/31/2016   06:07:44  (  71.02,  83.16)   86.92                67
 08/31/2016   06:58:35   ( -70.11,-108.11) 08/31/2016   06:58:11  ( -70.14,-108.10)    2.65                24
 08/31/2016   07:48:02   (  70.01,  59.38) 08/31/2016   07:48:55  (  70.03,  59.38)    2.12                53
 09/02/2016   22:25:35   (  70.22,-159.72) 09/02/2016   22:24:22  (  70.21,-159.75)    1.83                73
 09/02/2016   23:15:05   ( -70.12,   7.77) 09/02/2016   23:15:04  ( -70.12,   7.71)    2.16                 1
 09/03/2016   00:04:34   (  69.90, 175.10) 09/03/2016   00:05:46  (  69.90, 175.34)    9.25                72
 09/05/2016   14:42:06   (  70.16, -43.93) 09/05/2016   14:41:14  (  70.14, -43.87)    3.12                52
 09/05/2016   15:31:36   ( -70.06, 123.56) 09/05/2016   15:31:56  ( -70.04, 123.60)    1.97                20
 09/05/2016   16:21:19   (  69.06, -70.14) 09/05/2016   16:22:24  (  69.08, -67.70)   96.94                65
 09/08/2016   06:58:36   (  70.15,  71.94) 09/08/2016   06:58:07  (  70.12,  71.94)    2.74                29
 09/08/2016   07:48:06   ( -70.05,-120.57) 09/08/2016   07:48:49  ( -70.03,-120.60)    2.66                43