Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 2 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)
 02/15/2018   15:31:12   ( -70.06, 123.51) 02/15/2018   15:31:18  ( -70.08, 123.48)    2.10                 6
 02/15/2018   16:20:45   (  69.63, -69.45) 02/15/2018   16:21:56  (  69.63, -68.54)   35.17                71
 02/18/2018   06:58:10   (  70.12,  71.84) 02/18/2018   06:57:28  (  70.15,  71.84)    2.94                42
 02/18/2018   07:47:40   ( -70.01,-120.69) 02/18/2018   07:48:09  ( -70.02,-120.65)    1.82                29
 02/20/2018   22:24:58   ( -70.93,  21.28) 02/20/2018   22:23:50  ( -70.95,  19.02)   82.06                68
 02/20/2018   23:14:38   (  70.11,-172.29) 02/20/2018   23:14:20  (  70.09,-172.30)    2.37                18
 02/21/2018   00:04:08   ( -70.00,  -4.81) 02/21/2018   00:05:02  ( -70.01,  -4.86)    2.27                54
 02/23/2018   14:41:40   ( -70.16, 136.01) 02/23/2018   14:40:28  ( -70.16, 136.06)    2.12                72
 02/23/2018   15:31:07   (  70.05, -56.50) 02/23/2018   15:31:12  (  70.04, -56.44)    2.38                 5
 02/23/2018   16:20:39   ( -69.83, 110.83) 02/23/2018   16:21:51  ( -69.80, 111.24)   16.00                72
 02/26/2018   06:58:08   ( -70.14,-108.13) 02/26/2018   06:57:21  ( -70.16,-108.16)    2.22                47
 02/26/2018   07:47:35   (  70.03,  59.35) 02/26/2018   07:48:05  (  70.04,  59.33)    1.93                30
 02/28/2018   22:24:52   (  70.93,-158.71) 02/28/2018   22:23:45  (  70.99,-161.03)   84.39                67
 02/28/2018   23:14:35   ( -70.12,   7.72) 02/28/2018   23:14:12  ( -70.11,   7.70)    1.50                23
 03/01/2018   00:04:02   (  70.00, 175.20) 03/01/2018   00:04:56  (  70.00, 175.18)    1.11                54