Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 11 19.  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   14:41:59   (  70.85, -42.92) 11/19/2020   14:40:51  (  70.86, -45.05)   77.84                68
 11/19/2020   15:31:42   ( -70.02, 123.50) 11/19/2020   15:31:19  ( -70.05, 123.56)    3.44                23
 11/19/2020   16:21:09   (  69.92, -69.00) 11/19/2020   16:22:03  (  69.92, -68.94)    2.25                54
 11/22/2020   06:58:42   (  70.13,  71.89) 11/22/2020   06:57:30  (  70.10,  71.93)    3.07                72
 11/22/2020   07:48:12   ( -70.02,-120.63) 11/22/2020   07:48:12  ( -70.02,-120.64)    0.86                 0
 11/22/2020   08:37:42   (  69.75,  46.64) 11/22/2020   08:38:53  (  69.74,  47.10)   17.75                71
 11/24/2020   23:15:12   (  70.11,-172.25) 11/24/2020   23:14:23  (  70.09,-172.28)    2.94                49
 11/25/2020   00:04:42   ( -70.01,  -4.77) 11/25/2020   00:05:05  ( -70.01,  -4.84)    2.45                23
 11/27/2020   15:31:43   (  70.04, -56.48) 11/27/2020   15:31:15  (  70.02, -56.40)    3.42                28
 11/27/2020   16:21:13   ( -69.94, 111.01) 11/27/2020   16:21:57  ( -69.94, 111.04)    1.40                44
 11/30/2020   06:58:41   ( -70.35,-107.81) 11/30/2020   06:57:29  ( -70.45,-108.59)   31.26                72
 11/30/2020   07:48:12   (  70.01,  59.36) 11/30/2020   07:48:07  (  70.01,  59.38)    0.92                 5
 11/30/2020   08:37:42   ( -69.91,-133.15) 11/30/2020   08:38:49  ( -69.93,-133.17)    1.66                67
 12/02/2020   23:15:15   ( -70.10,   7.72) 12/02/2020   23:14:16  ( -70.12,   7.69)    2.43                59
 12/03/2020   00:04:42   (  69.98, 175.20) 12/03/2020   00:05:00  (  70.01, 175.17)    2.98                18
 12/03/2020   00:54:22   ( -69.34, -18.05) 12/03/2020   00:55:31  ( -69.34, -16.53)   59.89                69