Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 10 13.  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)
 10/15/2020   23:15:14   ( -70.08,   7.71) 10/15/2020   23:14:45  ( -70.09,   7.71)    0.82                29
 10/16/2020   00:04:41   (  69.98, 175.20) 10/16/2020   00:05:29  (  69.98, 175.19)    0.37                48
 10/18/2020   14:42:12   (  70.25, -43.80) 10/18/2020   14:40:59  (  70.29, -44.14)   13.16                73
 10/18/2020   15:31:44   ( -70.04, 123.52) 10/18/2020   15:31:38  ( -70.04, 123.57)    1.69                 6
 10/18/2020   16:21:11   (  69.92, -68.99) 10/18/2020   16:22:22  (  69.92, -68.96)    1.28                71
 10/21/2020   06:58:43   (  70.14,  71.92) 10/21/2020   06:57:50  (  70.13,  71.88)    1.92                53
 10/21/2020   07:48:13   ( -70.04,-120.59) 10/21/2020   07:48:32  ( -70.04,-120.66)    2.64                19
 10/21/2020   08:37:55   (  69.09,  45.78) 10/21/2020   08:39:01  (  69.13,  47.96)   86.82                66
 10/23/2020   23:15:12   (  70.08,-172.28) 10/23/2020   23:14:42  (  70.08,-172.28)    0.26                30
 10/24/2020   00:04:42   ( -69.98,  -4.79) 10/24/2020   00:05:24  ( -69.99,  -4.82)    1.15                42
 10/26/2020   14:42:09   ( -70.46, 136.50) 10/26/2020   14:40:58  ( -70.51, 135.52)   37.07                71
 10/26/2020   15:31:42   (  70.02, -56.49) 10/26/2020   15:31:35  (  70.03, -56.44)    2.97                 7
 10/26/2020   16:21:12   ( -69.92, 111.00) 10/26/2020   16:22:17  ( -69.94, 111.03)    2.58                65