Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2016 8 26.  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   14:42:04   ( -70.20, 136.13) 08/28/2016   14:41:19  ( -70.18, 136.06)    3.34                45
 08/28/2016   15:31:32   (  70.04, -56.45) 08/28/2016   15:32:02  (  70.02, -56.39)    3.44                30
 08/31/2016   06:08:52   (  70.97,  85.53) 08/31/2016   06:07:45  (  71.04,  83.13)   87.03                67
 08/31/2016   06:58:35   ( -70.15,-108.06) 08/31/2016   06:58:12  ( -70.15,-108.13)    2.38                23
 08/31/2016   07:48:03   (  69.99,  59.35) 08/31/2016   07:48:55  (  69.99,  59.43)    2.99                52
 09/02/2016   22:25:35   (  70.20,-159.74) 09/02/2016   22:24:22  (  70.22,-159.77)    2.69                73
 09/02/2016   23:15:05   ( -70.10,   7.74) 09/02/2016   23:15:03  ( -70.07,   7.77)    2.84                 2
 09/03/2016   00:04:33   (  69.93, 175.15) 09/03/2016   00:05:46  (  69.91, 175.32)    6.92                73
 09/05/2016   14:42:06   (  70.14, -43.95) 09/05/2016   14:41:14  (  70.15, -43.88)    2.87                52
 09/05/2016   15:31:36   ( -70.04, 123.54) 09/05/2016   15:31:56  ( -70.05, 123.59)    2.15                20
 09/05/2016   16:21:18   (  69.10, -70.09) 09/05/2016   16:22:24  (  69.09, -67.71)   94.52                66
 09/08/2016   06:58:36   (  70.13,  71.91) 09/08/2016   06:58:07  (  70.12,  71.93)    1.27                29
 09/08/2016   07:48:06   ( -70.03,-120.59) 09/08/2016   07:48:49  ( -70.02,-120.60)    1.01                43