Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 10 20.  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)
 10/21/2020   06:58:43   (  70.13,  71.89) 10/21/2020   06:57:49  (  70.10,  71.92)    3.08                54
 10/21/2020   07:48:13   ( -70.01,-120.65) 10/21/2020   07:48:31  ( -70.01,-120.63)    0.96                18
 10/21/2020   08:37:54   (  69.14,  45.82) 10/21/2020   08:39:01  (  69.15,  47.93)   83.61                67
 10/23/2020   23:15:13   (  70.07,-172.31) 10/23/2020   23:14:42  (  70.05,-172.23)    3.37                31
 10/24/2020   00:04:43   ( -69.95,  -4.84) 10/24/2020   00:05:24  ( -69.96,  -4.78)    2.65                41
 10/26/2020   14:42:10   ( -70.43, 136.46) 10/26/2020   14:40:58  ( -70.49, 135.55)   34.27                72
 10/26/2020   15:31:42   (  70.06, -56.44) 10/26/2020   15:31:36  (  70.06, -56.48)    1.26                 6
 10/26/2020   16:21:11   ( -69.95, 111.03) 10/26/2020   16:22:16  ( -69.92, 111.06)    3.29                65
 10/29/2020   06:58:43   ( -70.15,-108.07) 10/29/2020   06:57:44  ( -70.13,-108.12)    2.82                59
 10/29/2020   07:48:11   (  69.99,  59.34) 10/29/2020   07:48:28  (  70.02,  59.36)    3.37                17
 10/29/2020   08:37:50   ( -69.39,-133.85) 10/29/2020   08:38:59  ( -69.34,-132.34)   59.57                69
 10/31/2020   23:15:13   ( -70.08,   7.71) 10/31/2020   23:14:37  ( -70.09,   7.71)    1.07                36
 11/01/2020   00:04:40   (  69.97, 175.20) 11/01/2020   00:05:21  (  69.98, 175.19)    1.07                41