Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 9 4.  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)
 09/05/2020   22:25:26   ( -70.80,  21.14) 09/05/2020   22:24:18  ( -70.86,  19.09)   75.40                68
 09/05/2020   23:15:05   (  70.04,-172.34) 09/05/2020   23:14:49  (  70.07,-172.34)    3.62                16
 09/06/2020   00:04:35   ( -69.93,  -4.85) 09/06/2020   00:05:30  ( -69.92,  -4.80)    2.29                55
 09/08/2020   14:42:08   ( -70.10, 135.99) 09/08/2020   14:40:59  ( -70.12, 136.05)    2.52                69
 09/08/2020   15:31:35   (  69.99, -56.52) 09/08/2020   15:31:43  (  70.01, -56.48)    2.45                 8
 09/08/2020   16:21:09   ( -69.67, 110.67) 09/08/2020   16:22:20  ( -69.65, 111.38)   27.69                71
 09/11/2020   06:58:38   ( -70.12,-108.11) 09/11/2020   06:57:55  ( -70.11,-108.17)    2.21                43
 09/11/2020   07:48:05   (  70.00,  59.37) 09/11/2020   07:48:39  (  70.00,  59.30)    2.71                34
 09/13/2020   22:25:29   (  70.71,-158.99) 09/13/2020   22:24:20  (  70.79,-160.79)   66.72                69
 09/13/2020   23:15:09   ( -70.07,   7.70) 09/13/2020   23:14:50  ( -70.05,   7.69)    2.26                19
 09/14/2020   00:04:36   (  69.95, 175.18) 09/14/2020   00:05:34  (  69.95, 175.16)    0.96                58
 09/16/2020   14:42:10   (  70.11, -43.99) 09/16/2020   14:41:03  (  70.10, -43.93)    2.90                67
 09/16/2020   15:31:40   ( -70.02, 123.50) 09/16/2020   15:31:46  ( -70.04, 123.47)    2.86                 6
 09/16/2020   16:21:13   (  69.57, -69.47) 09/16/2020   16:22:23  (  69.57, -68.52)   37.02                70