Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 1 23.  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)
 01/23/2020   06:58:26   (  70.39,  72.25) 01/23/2020   06:57:14  (  70.46,  71.40)   32.72                72
 01/23/2020   07:48:00   ( -70.06,-120.59) 01/23/2020   07:47:50  ( -70.05,-120.65)    2.15                10
 01/23/2020   08:37:27   (  69.95,  46.90) 01/23/2020   08:38:34  (  69.94,  46.84)    3.03                67
 01/25/2020   23:14:59   (  70.13,-172.25) 01/25/2020   23:14:04  (  70.12,-172.30)    2.40                55
 01/26/2020   00:04:29   ( -70.02,  -4.76) 01/26/2020   00:04:46  ( -70.02,  -4.84)    2.88                17
 01/26/2020   00:54:09   (  69.19, 161.76) 01/26/2020   00:55:16  (  69.17, 163.72)   77.49                67
 01/28/2020   15:31:28   (  70.09, -56.43) 01/28/2020   15:31:00  (  70.10, -56.50)    3.01                28
 01/28/2020   16:20:59   ( -69.93, 110.98) 01/28/2020   16:21:41  ( -69.95, 111.04)    3.03                42
 01/31/2020   06:58:28   ( -70.27,-107.94) 01/31/2020   06:57:15  ( -70.34,-108.42)   19.83                73
 01/31/2020   07:47:57   (  70.04,  59.39) 01/31/2020   07:47:55  (  70.02,  59.38)    2.49                 2
 01/31/2020   08:37:27   ( -69.94,-133.12) 01/31/2020   08:38:37  ( -69.92,-133.15)    2.59                70
 02/02/2020   23:14:58   ( -70.11,   7.72) 02/02/2020   23:14:06  ( -70.10,   7.71)    1.00                52
 02/03/2020   00:04:25   (  69.99, 175.20) 02/03/2020   00:04:50  (  70.00, 175.18)    1.05                25
 02/03/2020   00:54:10   ( -69.07, -18.41) 02/03/2020   00:55:16  ( -69.05, -16.13)   90.58                66
 02/05/2020   14:41:42   (  70.98, -42.73) 02/05/2020   14:40:36  (  71.02, -45.33)   94.04                66
 02/05/2020   15:31:27   ( -70.06, 123.53) 02/05/2020   15:31:02  ( -70.08, 123.51)    2.27                25
 02/05/2020   16:20:54   (  69.94, -68.99) 02/05/2020   16:21:45  (  69.92, -68.95)    2.69                51