Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 11 18.  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)
 11/19/2020   14:42:00   (  70.83, -42.95) 11/19/2020   14:40:52  (  70.88, -45.08)   78.06                68
 11/19/2020   15:31:42   ( -70.06, 123.55) 11/19/2020   15:31:20  ( -70.06, 123.53)    1.04                22
 11/19/2020   16:21:09   (  69.96, -68.95) 11/19/2020   16:22:04  (  69.94, -68.97)    2.25                55
 11/22/2020   06:58:43   (  70.11,  71.86) 11/22/2020   06:57:31  (  70.12,  71.90)    2.27                72
 11/22/2020   07:48:12   ( -70.00,-120.66) 11/22/2020   07:48:11  ( -69.99,-120.58)    3.01                 1
 11/22/2020   08:37:41   (  69.78,  46.68) 11/22/2020   08:38:53  (  69.76,  47.07)   14.98                72
 11/24/2020   23:15:12   (  70.09,-172.28) 11/24/2020   23:14:23  (  70.11,-172.31)    1.94                49
 11/25/2020   00:04:42   ( -69.99,  -4.80) 11/25/2020   00:05:04  ( -69.97,  -4.78)    1.69                22
 11/27/2020   15:31:42   (  70.07, -56.44) 11/27/2020   15:31:15  (  70.04, -56.43)    3.30                27
 11/27/2020   16:21:12   ( -69.97, 111.05) 11/27/2020   16:21:57  ( -69.96, 111.02)    2.01                45
 11/30/2020   06:58:41   ( -70.38,-107.76) 11/30/2020   06:57:29  ( -70.41,-108.53)   29.04                72
 11/30/2020   07:48:12   (  70.05,  59.41) 11/30/2020   07:48:08  (  70.03,  59.36)    2.34                 4
 11/30/2020   08:37:43   ( -69.89,-133.18) 11/30/2020   08:38:49  ( -69.89,-133.11)    2.61                66