Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2016 5 28.  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)
 05/29/2016   21:35:32   ( -70.51,  33.07) 05/29/2016   21:34:20  ( -70.54,  32.34)   27.31                72
 05/29/2016   22:25:03   (  70.19,-159.75) 05/29/2016   22:25:00  (  70.20,-159.82)    2.57                 3
 05/29/2016   23:14:33   ( -70.08,   7.72) 05/29/2016   23:15:41  ( -70.07,   7.70)    1.28                68
 06/01/2016   13:52:07   ( -70.23, 148.55) 06/01/2016   13:51:09  ( -70.22, 148.60)    2.25                58
 06/01/2016   14:41:34   (  70.13, -43.96) 06/01/2016   14:41:54  (  70.15, -43.97)    2.57                20
 06/01/2016   15:31:15   ( -69.41, 122.69) 06/01/2016   15:32:23  ( -69.39, 124.47)   69.97                68
 06/04/2016   06:08:37   ( -70.22, -95.59) 06/04/2016   06:08:04  ( -70.23, -95.64)    2.17                33
 06/04/2016   06:58:04   (  70.11,  71.90) 06/04/2016   06:58:48  (  70.10,  71.86)    1.80                44
 06/06/2016   21:35:32   (  70.53,-146.89) 06/06/2016   21:34:21  (  70.59,-147.75)   32.62                71
 06/06/2016   22:25:07   ( -70.15,  20.20) 06/06/2016   22:24:56  ( -70.14,  20.28)    3.70                11
 06/06/2016   23:14:34   (  70.04,-172.32) 06/06/2016   23:15:41  (  70.07,-172.31)    2.69                67
 06/09/2016   13:52:07   (  70.24, -31.44) 06/09/2016   13:51:09  (  70.24, -31.43)    0.48                58
 06/09/2016   14:41:37   ( -70.14, 136.05) 06/09/2016   14:41:51  ( -70.15, 136.03)    1.83                14
 06/09/2016   15:31:15   (  69.41, -57.30) 06/09/2016   15:32:23  (  69.39, -55.55)   68.67                68