Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 10 6.  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)
 10/07/2020   23:15:12   (  70.07,-172.30) 10/07/2020   23:14:49  (  70.08,-172.26)    1.63                23
 10/08/2020   00:04:42   ( -69.96,  -4.82) 10/08/2020   00:05:31  ( -69.98,  -4.80)    2.50                49
 10/10/2020   14:42:14   ( -70.20, 136.11) 10/10/2020   14:41:00  ( -70.23, 135.96)    6.74                74
 10/10/2020   15:31:42   (  70.04, -56.47) 10/10/2020   15:31:42  (  70.02, -56.40)    3.40                 0
 10/10/2020   16:21:12   ( -69.93, 111.01) 10/10/2020   16:22:24  ( -69.92, 111.06)    2.08                72
 10/13/2020   06:58:45   ( -70.11,-108.14) 10/13/2020   06:57:52  ( -70.12,-108.10)    2.13                53
 10/13/2020   07:48:12   (  70.00,  59.35) 10/13/2020   07:48:36  (  70.01,  59.37)    2.03                24
 10/13/2020   08:37:56   ( -69.12,-134.20) 10/13/2020   08:39:03  ( -69.12,-132.02)   86.63                67
 10/15/2020   23:15:14   ( -70.12,   7.76) 10/15/2020   23:14:46  ( -70.11,   7.68)    3.03                28
 10/16/2020   00:04:42   (  69.95, 175.17) 10/16/2020   00:05:29  (  69.96, 175.23)    2.37                47
 10/18/2020   14:42:12   (  70.23, -43.84) 10/18/2020   14:40:59  (  70.32, -44.18)   16.35                73
 10/18/2020   15:31:43   ( -70.07, 123.57) 10/18/2020   15:31:38  ( -70.06, 123.53)    2.18                 5
 10/18/2020   16:21:10   (  69.96, -68.94) 10/18/2020   16:22:22  (  69.95, -69.00)    2.25                72