Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 11 30.  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)
 11/30/2020   06:58:40   ( -70.38,-107.76) 11/30/2020   06:57:28  ( -70.40,-108.53)   28.84                72
 11/30/2020   07:48:12   (  70.01,  59.35) 11/30/2020   07:48:07  (  70.01,  59.38)    1.41                 5
 11/30/2020   08:37:42   ( -69.90,-133.18) 11/30/2020   08:38:48  ( -69.89,-133.10)    2.96                66
 12/02/2020   23:15:15   ( -70.08,   7.68) 12/02/2020   23:14:15  ( -70.08,   7.75)    2.74                60
 12/03/2020   00:04:42   (  69.97, 175.18) 12/03/2020   00:04:59  (  69.95, 175.25)    3.43                17
 12/03/2020   00:54:22   ( -69.31, -18.09) 12/03/2020   00:55:31  ( -69.35, -16.54)   60.72                69
 12/05/2020   15:31:44   ( -70.09, 123.58) 12/05/2020   15:31:08  ( -70.07, 123.54)    3.01                36
 12/05/2020   16:21:12   (  69.93, -69.00) 12/05/2020   16:21:52  (  69.95, -68.97)    2.71                40
 12/08/2020   06:58:37   (  70.53,  72.47) 12/08/2020   06:57:27  (  70.57,  71.21)   46.85                70
 12/08/2020   07:48:14   ( -70.05,-120.60) 12/08/2020   07:48:01  ( -70.07,-120.68)    3.41                13
 12/08/2020   08:37:41   (  69.93,  46.88) 12/08/2020   08:38:45  (  69.95,  46.81)    3.25                64
 12/10/2020   23:15:13   (  70.09,-172.29) 12/10/2020   23:14:10  (  70.10,-172.27)    1.09                63
 12/11/2020   00:04:43   ( -70.00,  -4.80) 12/11/2020   00:04:52  ( -70.01,  -4.82)    1.91                 9
 12/11/2020   00:54:18   (  69.44, 162.08) 12/11/2020   00:55:27  (  69.42, 163.36)   50.12                69
 12/13/2020   15:31:42   (  70.09, -56.42) 12/13/2020   15:31:03  (  70.11, -56.50)    3.59                39
 12/13/2020   16:21:13   ( -69.94, 111.00) 12/13/2020   16:21:44  ( -69.96, 111.04)    3.11                31