Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 2 1.  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)
 02/02/2018   06:58:15   (  70.13,  71.87) 02/02/2018   06:57:40  (  70.11,  71.84)    2.31                35
 02/02/2018   07:47:47   ( -69.99,-120.71) 02/02/2018   07:48:21  ( -69.99,-120.64)    2.56                34
 02/04/2018   22:25:09   ( -70.70,  20.92) 02/04/2018   22:23:59  ( -70.75,  19.31)   59.60                70
 02/04/2018   23:14:44   (  70.07,-172.34) 02/04/2018   23:14:33  (  70.10,-172.36)    3.45                11
 02/05/2018   00:04:15   ( -69.99,  -4.83) 02/05/2018   00:05:14  ( -69.97,  -4.84)    2.17                59
 02/07/2018   14:41:47   ( -70.14, 135.99) 02/07/2018   14:40:41  ( -70.16, 136.02)    2.27                66
 02/07/2018   15:31:12   (  70.06, -56.48) 02/07/2018   15:31:25  (  70.04, -56.48)    2.47                13
 02/07/2018   16:20:50   ( -69.60, 110.51) 02/07/2018   16:22:00  ( -69.59, 111.51)   38.75                70
 02/10/2018   06:58:14   ( -70.13,-108.15) 02/10/2018   06:57:33  ( -70.15,-108.18)    2.37                41
 02/10/2018   07:47:39   (  70.04,  59.38) 02/10/2018   07:48:17  (  70.03,  59.31)    3.26                38
 02/12/2018   22:25:03   (  70.63,-159.17) 02/12/2018   22:23:53  (  70.70,-160.59)   53.03                70
 02/12/2018   23:14:42   ( -70.11,   7.70) 02/12/2018   23:14:25  ( -70.09,   7.69)    2.75                17
 02/13/2018   00:04:08   (  69.97, 175.16) 02/13/2018   00:05:09  (  69.97, 175.18)    0.88                61
 02/15/2018   14:41:39   (  70.17, -43.96) 02/15/2018   14:40:36  (  70.17, -43.97)    0.46                63
 02/15/2018   15:31:10   ( -70.09, 123.55) 02/15/2018   15:31:18  ( -70.08, 123.48)    2.71                 8
 02/15/2018   16:20:44   (  69.51, -69.59) 02/15/2018   16:21:53  (  69.48, -68.33)   49.32                69