Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 9 11.  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)
 09/13/2020   22:25:29   (  70.72,-158.98) 09/13/2020   22:24:20  (  70.77,-160.77)   65.76                69
 09/13/2020   23:15:09   ( -70.06,   7.69) 09/13/2020   23:14:50  ( -70.04,   7.70)    2.56                19
 09/14/2020   00:04:36   (  69.96, 175.18) 09/14/2020   00:05:34  (  69.93, 175.18)    2.55                58
 09/16/2020   14:42:09   (  70.11, -44.00) 09/16/2020   14:41:03  (  70.14, -43.99)    3.17                66
 09/16/2020   15:31:39   ( -70.01, 123.49) 09/16/2020   15:31:45  ( -70.04, 123.48)    3.30                 6
 09/16/2020   16:21:12   (  69.57, -69.48) 09/16/2020   16:22:22  (  69.56, -68.50)   37.88                70
 09/19/2020   06:58:39   (  70.11,  71.87) 09/19/2020   06:57:58  (  70.09,  71.85)    1.84                41
 09/19/2020   07:48:09   ( -70.01,-120.64) 09/19/2020   07:48:40  ( -69.99,-120.67)    2.57                31
 09/21/2020   22:25:31   ( -70.81,  21.15) 09/21/2020   22:24:23  ( -70.87,  19.06)   76.50                68
 09/21/2020   23:15:10   (  70.04,-172.34) 09/21/2020   23:14:53  (  70.04,-172.30)    1.53                17
 09/22/2020   00:04:40   ( -69.94,  -4.85) 09/22/2020   00:05:35  ( -69.93,  -4.82)    1.30                55
 09/24/2020   14:42:13   ( -70.14, 136.04) 09/24/2020   14:41:05  ( -70.14, 136.00)    1.49                68
 09/24/2020   15:31:40   (  70.03, -56.48) 09/24/2020   15:31:49  (  70.05, -56.54)    3.24                 9
 09/24/2020   16:21:15   ( -69.66, 110.64) 09/24/2020   16:22:26  ( -69.67, 111.34)   27.07                71