Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 10 17.  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)
 10/18/2020   14:42:12   (  70.24, -43.83) 10/18/2020   14:40:59  (  70.31, -44.16)   14.71                73
 10/18/2020   15:31:43   ( -70.07, 123.56) 10/18/2020   15:31:38  ( -70.06, 123.53)    1.34                 5
 10/18/2020   16:21:10   (  69.97, -68.94) 10/18/2020   16:22:22  (  69.94, -68.98)    3.28                72
 10/21/2020   06:58:43   (  70.13,  71.90) 10/21/2020   06:57:50  (  70.15,  71.85)    2.84                53
 10/21/2020   07:48:13   ( -70.02,-120.63) 10/21/2020   07:48:31  ( -70.01,-120.62)    1.27                18
 10/21/2020   08:37:54   (  69.14,  45.83) 10/21/2020   08:39:01  (  69.15,  47.94)   83.64                67
 10/23/2020   23:15:13   (  70.07,-172.31) 10/23/2020   23:14:43  (  70.10,-172.30)    3.15                30
 10/24/2020   00:04:43   ( -69.96,  -4.83) 10/24/2020   00:05:24  ( -69.95,  -4.77)    2.38                41
 10/26/2020   14:42:09   ( -70.44, 136.47) 10/26/2020   14:40:57  ( -70.47, 135.57)   33.75                72
 10/26/2020   15:31:41   (  70.06, -56.43) 10/26/2020   15:31:35  (  70.05, -56.46)    1.67                 6
 10/26/2020   16:21:11   ( -69.95, 111.05) 10/26/2020   16:22:17  ( -69.96, 111.00)    1.89                66
 10/29/2020   06:58:44   ( -70.11,-108.14) 10/29/2020   06:57:44  ( -70.11,-108.09)    1.74                60
 10/29/2020   07:48:11   (  69.99,  59.35) 10/29/2020   07:48:28  (  70.00,  59.38)    1.40                17
 10/29/2020   08:37:51   ( -69.34,-133.91) 10/29/2020   08:39:00  ( -69.38,-132.39)   59.82                69