Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 11 9.  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)
 11/09/2019   14:42:16   ( -70.21, 136.11) 11/09/2019   14:41:03  ( -70.28, 135.84)   12.75                73
 11/09/2019   15:31:44   (  70.05, -56.46) 11/09/2019   15:31:45  (  70.04, -56.49)    1.41                 1
 11/09/2019   16:21:14   ( -69.94, 111.01) 11/09/2019   16:22:26  ( -69.91, 111.02)    2.62                72
 11/12/2019   06:58:46   ( -70.13,-108.11) 11/12/2019   06:57:54  ( -70.11,-108.14)    2.34                52
 11/12/2019   07:48:14   (  69.97,  59.31) 11/12/2019   07:48:38  (  69.99,  59.36)    2.72                24
 11/12/2019   08:37:58   ( -69.09,-134.25) 11/12/2019   08:39:04  ( -69.06,-131.98)   90.00                66
 11/14/2019   23:15:16   ( -70.06,   7.66) 11/14/2019   23:14:47  ( -70.06,   7.72)    2.25                29
 11/15/2019   00:04:43   (  69.95, 175.15) 11/15/2019   00:05:31  (  69.94, 175.21)    2.38                48
 11/17/2019   14:42:13   (  70.19, -43.90) 11/17/2019   14:41:00  (  70.25, -44.13)   10.94                73
 11/17/2019   15:31:44   ( -70.03, 123.50) 11/17/2019   15:31:39  ( -70.01, 123.57)    3.41                 5
 11/17/2019   16:21:11   (  69.92, -69.01) 11/17/2019   16:22:24  (  69.94, -69.03)    2.87                73
 11/20/2019   06:58:43   (  70.10,  71.85) 11/20/2019   06:57:51  (  70.10,  71.88)    1.16                52
 11/20/2019   07:48:13   ( -70.00,-120.66) 11/20/2019   07:48:33  ( -70.01,-120.66)    1.38                20
 11/20/2019   08:37:55   (  69.05,  45.71) 11/20/2019   08:39:01  (  69.04,  48.04)   92.52                66
 11/22/2019   23:15:12   (  70.06,-172.32) 11/22/2019   23:14:44  (  70.05,-172.28)    1.86                28
 11/23/2019   00:04:42   ( -69.96,  -4.83) 11/23/2019   00:05:26  ( -69.96,  -4.82)    0.25                44