Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2016 5 20.  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)
 05/21/2016   21:35:31   (  70.31,-147.22) 05/21/2016   21:34:18  (  70.35,-147.36)    6.78                73
 05/21/2016   22:25:02   ( -70.14,  20.17) 05/21/2016   22:24:58  ( -70.17,  20.24)    3.52                 4
 05/21/2016   23:14:29   (  70.04,-172.33) 05/21/2016   23:15:42  (  70.04,-172.25)    2.85                73
 05/24/2016   13:52:02   (  70.26, -31.41) 05/24/2016   13:51:11  (  70.24, -31.42)    2.78                51
 05/24/2016   14:41:32   ( -70.16, 136.07) 05/24/2016   14:41:53  ( -70.16, 136.02)    2.00                21
 05/24/2016   15:31:15   (  69.16, -57.64) 05/24/2016   15:32:21  (  69.18, -55.24)   94.84                66
 05/27/2016   06:08:33   (  70.21,  84.40) 05/27/2016   06:08:05  (  70.18,  84.43)    3.03                28
 05/27/2016   06:58:03   ( -70.11,-108.12) 05/27/2016   06:58:47  ( -70.10,-108.13)    0.31                44
 05/29/2016   21:35:33   ( -70.48,  33.03) 05/29/2016   21:34:21  ( -70.57,  32.28)   29.37                72
 05/29/2016   22:25:03   (  70.20,-159.73) 05/29/2016   22:25:00  (  70.19,-159.80)    3.31                 3
 05/29/2016   23:14:34   ( -70.05,   7.68) 05/29/2016   23:15:41  ( -70.05,   7.72)    1.67                67
 06/01/2016   13:52:06   ( -70.25, 148.57) 06/01/2016   13:51:09  ( -70.26, 148.55)    1.42                57
 06/01/2016   14:41:33   (  70.14, -43.95) 06/01/2016   14:41:53  (  70.14, -43.96)    0.86                20