Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 10 22.  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)
 10/23/2020   23:15:12   (  70.11,-172.25) 10/23/2020   23:14:43  (  70.12,-172.33)    3.11                29
 10/24/2020   00:04:42   ( -69.99,  -4.79) 10/24/2020   00:05:24  ( -69.98,  -4.80)    1.80                42
 10/26/2020   14:42:10   ( -70.42, 136.43) 10/26/2020   14:40:58  ( -70.50, 135.53)   34.90                72
 10/26/2020   15:31:42   (  70.05, -56.46) 10/26/2020   15:31:36  (  70.07, -56.49)    2.93                 6
 10/26/2020   16:21:12   ( -69.93, 111.01) 10/26/2020   16:22:17  ( -69.93, 111.04)    1.02                65
 10/29/2020   06:58:43   ( -70.14,-108.09) 10/29/2020   06:57:44  ( -70.14,-108.14)    1.76                59
 10/29/2020   07:48:10   (  70.03,  59.40) 10/29/2020   07:48:28  (  70.03,  59.34)    2.34                18
 10/29/2020   08:37:50   ( -69.37,-133.87) 10/29/2020   08:38:59  ( -69.36,-132.35)   59.44                69
 10/31/2020   23:15:13   ( -70.07,   7.69) 10/31/2020   23:14:37  ( -70.10,   7.70)    3.49                36
 11/01/2020   00:04:40   (  69.96, 175.18) 11/01/2020   00:05:21  (  69.99, 175.18)    2.97                41
 11/03/2020   14:42:06   (  70.48, -43.46) 11/03/2020   14:40:55  (  70.52, -44.51)   39.39                71
 11/03/2020   15:31:42   ( -70.05, 123.55) 11/03/2020   15:31:30  ( -70.06, 123.53)    1.44                12
 11/03/2020   16:21:09   (  69.94, -68.96) 11/03/2020   16:22:14  (  69.95, -69.00)    1.74                65