Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2023 9 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)
 09/20/2023   06:08:59   (  70.23,  84.41) 09/20/2023   06:08:03  (  70.21,  84.42)    1.80                56
 09/20/2023   06:58:29   ( -70.11,-108.13) 09/20/2023   06:58:45  ( -70.12,-108.12)    0.89                16
 09/20/2023   07:48:09   (  69.29,  58.40) 09/20/2023   07:49:16  (  69.32,  60.37)   77.41                67
 09/22/2023   22:25:27   (  70.20,-159.74) 09/22/2023   22:24:54  (  70.21,-159.79)    1.81                33
 09/22/2023   23:14:57   ( -70.09,   7.73) 09/22/2023   23:15:36  ( -70.11,   7.68)    2.96                39
 09/25/2023   13:52:21   ( -70.68, 149.21) 09/25/2023   13:51:10  ( -70.73, 147.85)   50.30                71
 09/25/2023   14:41:56   (  70.14, -43.94) 09/25/2023   14:41:45  (  70.16, -43.94)    1.65                11
 09/25/2023   15:31:26   ( -70.03, 123.53) 09/25/2023   15:32:27  ( -70.06, 123.53)    2.85                61
 09/28/2023   06:08:57   ( -70.21, -95.60) 09/28/2023   06:07:52  ( -70.21, -95.56)    1.82                65
 09/28/2023   06:58:24   (  70.10,  71.89) 09/28/2023   06:58:36  (  70.12,  71.90)    1.99                12
 09/28/2023   07:48:01   ( -69.61,-121.17) 09/28/2023   07:49:11  ( -69.64,-120.07)   42.47                70
 09/30/2023   22:25:24   ( -70.19,  20.26) 09/30/2023   22:24:43  ( -70.18,  20.27)    0.91                41
 09/30/2023   23:14:51   (  70.08,-172.25) 09/30/2023   23:15:27  (  70.09,-172.27)    1.30                36
 10/03/2023   13:52:11   (  70.73, -30.67) 10/03/2023   13:51:01  (  70.79, -32.24)   57.66                70
 10/03/2023   14:41:50   ( -70.13, 136.08) 10/03/2023   14:41:33  ( -70.16, 136.09)    2.91                17
 10/03/2023   15:31:17   (  70.02, -56.44) 10/03/2023   15:32:16  (  70.01, -56.38)    2.37                59