Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 10 26.  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)
 10/26/2020   14:42:09   ( -70.45, 136.48) 10/26/2020   14:40:58  ( -70.52, 135.50)   37.44                71
 10/26/2020   15:31:42   (  70.03, -56.48) 10/26/2020   15:31:35  (  70.03, -56.44)    1.83                 7
 10/26/2020   16:21:11   ( -69.97, 111.06) 10/26/2020   16:22:17  ( -69.95, 111.01)    2.62                66
 10/29/2020   06:58:44   ( -70.12,-108.12) 10/29/2020   06:57:44  ( -70.11,-108.09)    1.51                60
 10/29/2020   07:48:11   (  70.02,  59.38) 10/29/2020   07:48:28  (  69.99,  59.40)    3.01                17
 10/29/2020   08:37:51   ( -69.35,-133.90) 10/29/2020   08:39:00  ( -69.38,-132.38)   59.43                69
 10/31/2020   23:15:13   ( -70.10,   7.74) 10/31/2020   23:14:38  ( -70.12,   7.66)    3.52                35
 11/01/2020   00:04:41   (  69.95, 175.16) 11/01/2020   00:05:21  (  69.95, 175.23)    2.72                40
 11/03/2020   14:42:06   (  70.47, -43.48) 11/03/2020   14:40:55  (  70.54, -44.54)   40.21                71
 11/03/2020   15:31:42   ( -70.03, 123.52) 11/03/2020   15:31:29  ( -70.03, 123.57)    2.06                13
 11/03/2020   16:21:09   (  69.92, -68.99) 11/03/2020   16:22:13  (  69.92, -68.95)    1.79                64
 11/06/2020   06:58:41   (  70.11,  71.89) 11/06/2020   06:57:41  (  70.14,  71.86)    3.04                60
 11/06/2020   07:48:11   ( -70.01,-120.63) 11/06/2020   07:48:22  ( -70.00,-120.60)    1.64                11
 11/06/2020   08:37:48   (  69.35,  46.11) 11/06/2020   08:38:56  (  69.35,  47.65)   60.43                68
 11/08/2020   23:15:10   (  70.09,-172.27) 11/08/2020   23:14:33  (  70.06,-172.24)    3.24                37
 11/09/2020   00:04:40   ( -69.98,  -4.79) 11/09/2020   00:05:15  ( -69.97,  -4.78)    1.80                35