Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 9 15.  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)
 09/16/2020   14:42:09   (  70.11, -44.00) 09/16/2020   14:41:03  (  70.14, -44.00)    3.28                66
 09/16/2020   15:31:39   ( -70.01, 123.48) 09/16/2020   15:31:44  ( -69.99, 123.55)    3.07                 5
 09/16/2020   16:21:12   (  69.57, -69.48) 09/16/2020   16:22:22  (  69.56, -68.50)   37.90                70
 09/19/2020   06:58:39   (  70.11,  71.87) 09/19/2020   06:57:58  (  70.09,  71.85)    2.08                41
 09/19/2020   07:48:09   ( -70.00,-120.64) 09/19/2020   07:48:40  ( -69.99,-120.68)    2.10                31
 09/21/2020   22:25:31   ( -70.81,  21.15) 09/21/2020   22:24:23  ( -70.88,  19.06)   76.62                68
 09/21/2020   23:15:10   (  70.05,-172.34) 09/21/2020   23:14:53  (  70.04,-172.30)    1.57                17
 09/22/2020   00:04:40   ( -69.94,  -4.85) 09/22/2020   00:05:35  ( -69.94,  -4.82)    1.20                55
 09/24/2020   14:42:13   ( -70.15, 136.05) 09/24/2020   14:41:05  ( -70.14, 136.00)    1.81                68
 09/24/2020   15:31:40   (  70.04, -56.47) 09/24/2020   15:31:49  (  70.04, -56.53)    2.58                 9
 09/24/2020   16:21:15   ( -69.66, 110.64) 09/24/2020   16:22:26  ( -69.67, 111.34)   26.85                71
 09/27/2020   06:58:43   ( -70.09,-108.17) 09/27/2020   06:57:59  ( -70.10,-108.15)    1.27                44
 09/27/2020   07:48:10   (  69.97,  59.31) 09/27/2020   07:48:43  (  70.00,  59.31)    3.26                33