Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 12 7.  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   (  70.51,  72.42) 12/08/2020   06:57:26  (  70.55,  71.25)   43.83                71
 12/08/2020   07:48:13   ( -70.07,-120.58) 12/08/2020   07:48:00  ( -70.05,-120.65)    3.29                13
 12/08/2020   08:37:41   (  69.91,  46.84) 12/08/2020   08:38:44  (  69.92,  46.85)    1.93                63
 12/10/2020   23:15:13   (  70.12,-172.26) 12/10/2020   23:14:11  (  70.13,-172.32)    2.70                62
 12/11/2020   00:04:43   ( -70.01,  -4.78) 12/11/2020   00:04:52  ( -70.00,  -4.80)    1.91                 9
 12/11/2020   00:54:18   (  69.46, 162.11) 12/11/2020   00:55:28  (  69.45, 163.32)   47.00                70
 12/13/2020   15:31:43   (  70.06, -56.47) 12/13/2020   15:31:03  (  70.09, -56.48)    3.53                40
 12/13/2020   16:21:13   ( -69.95, 111.02) 12/13/2020   16:21:44  ( -69.95, 111.05)    1.34                31
 12/16/2020   06:58:32   ( -70.81,-107.12) 12/16/2020   06:57:24  ( -70.89,-109.29)   79.76                68
 12/16/2020   07:48:11   (  70.04,  59.39) 12/16/2020   07:47:54  (  70.05,  59.36)    1.38                17
 12/16/2020   08:37:41   ( -69.94,-133.12) 12/16/2020   08:38:36  ( -69.96,-133.18)    3.19                55
 12/18/2020   23:15:13   ( -70.14,   7.77) 12/18/2020   23:14:02  ( -70.12,   7.72)    2.66                71
 12/19/2020   00:04:40   (  70.02, 175.25) 12/19/2020   00:04:46  (  70.01, 175.19)    2.18                 6
 12/19/2020   00:54:13   ( -69.76, -17.49) 12/19/2020   00:55:25  ( -69.76, -17.11)   14.55                72