Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 12 8.  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)
 12/08/2020   06:58:37   (  70.50,  72.41) 12/08/2020   06:57:26  (  70.56,  71.24)   44.06                71
 12/08/2020   07:48:13   ( -70.06,-120.59) 12/08/2020   07:48:00  ( -70.06,-120.66)    2.63                13
 12/08/2020   08:37:41   (  69.90,  46.83) 12/08/2020   08:38:44  (  69.93,  46.83)    3.63                63
 12/10/2020   23:15:13   (  70.11,-172.27) 12/10/2020   23:14:10  (  70.09,-172.25)    3.11                63
 12/11/2020   00:04:43   ( -70.00,  -4.79) 12/11/2020   00:04:52  ( -70.00,  -4.81)    0.68                 9
 12/11/2020   00:54:18   (  69.46, 162.10) 12/11/2020   00:55:28  (  69.46, 163.31)   47.03                70
 12/13/2020   15:31:43   (  70.05, -56.48) 12/13/2020   15:31:02  (  70.04, -56.40)    3.05                41
 12/13/2020   16:21:13   ( -69.95, 111.01) 12/13/2020   16:21:44  ( -69.96, 111.04)    1.76                31
 12/16/2020   06:58:33   ( -70.81,-107.13) 12/16/2020   06:57:25  ( -70.90,-109.30)   79.72                68
 12/16/2020   07:48:12   (  70.04,  59.38) 12/16/2020   07:47:55  (  70.05,  59.36)    1.84                17
 12/16/2020   08:37:42   ( -69.94,-133.13) 12/16/2020   08:38:36  ( -69.91,-133.11)    2.98                54
 12/18/2020   23:15:13   ( -70.14,   7.76) 12/18/2020   23:14:02  ( -70.12,   7.72)    2.08                71
 12/19/2020   00:04:40   (  70.02, 175.24) 12/19/2020   00:04:46  (  70.01, 175.20)    1.80                 6
 12/19/2020   00:54:13   ( -69.76, -17.50) 12/19/2020   00:55:25  ( -69.76, -17.11)   14.83                72
 12/21/2020   15:31:43   ( -70.06, 123.53) 12/21/2020   15:30:54  ( -70.08, 123.56)    2.85                49
 12/21/2020   16:21:09   (  69.99, -68.91) 12/21/2020   16:21:38  (  69.98, -68.97)    2.94                29