Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 2 13.  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   14:41:42   (  70.15, -43.99) 02/15/2018   14:40:36  (  70.17, -43.97)    1.58                66
 02/15/2018   15:31:12   ( -70.04, 123.48) 02/15/2018   15:31:17  ( -70.04, 123.54)    2.13                 5
 02/15/2018   16:20:45   (  69.61, -69.47) 02/15/2018   16:21:55  (  69.59, -68.49)   38.22                70
 02/18/2018   06:58:10   (  70.15,  71.89) 02/18/2018   06:57:29  (  70.16,  71.81)    3.24                41
 02/18/2018   07:47:40   ( -70.04,-120.63) 02/18/2018   07:48:10  ( -70.03,-120.67)    1.90                30
 02/20/2018   22:24:58   ( -70.91,  21.25) 02/20/2018   22:23:50  ( -70.96,  18.99)   82.23                68
 02/20/2018   23:14:38   (  70.09,-172.32) 02/20/2018   23:14:20  (  70.11,-172.33)    1.75                18
 02/21/2018   00:04:08   ( -69.99,  -4.83) 02/21/2018   00:05:01  ( -69.98,  -4.81)    1.61                53
 02/23/2018   14:41:39   ( -70.20, 136.07) 02/23/2018   14:40:28  ( -70.17, 136.04)    2.57                71
 02/23/2018   15:31:06   (  70.08, -56.45) 02/23/2018   15:31:12  (  70.06, -56.47)    3.13                 6
 02/23/2018   16:20:39   ( -69.82, 110.81) 02/23/2018   16:21:51  ( -69.81, 111.22)   15.66                72
 02/26/2018   06:58:08   ( -70.13,-108.15) 02/26/2018   06:57:20  ( -70.12,-108.09)    2.38                48
 02/26/2018   07:47:35   (  70.01,  59.33) 02/26/2018   07:48:04  (  70.00,  59.39)    2.48                29