Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2023 9 25.  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)
 09/25/2023   13:52:22   ( -70.79, 149.36) 09/25/2023   13:51:12  ( -70.86, 147.64)   63.27                70
 09/25/2023   14:41:59   (  70.15, -43.95) 09/25/2023   14:41:45  (  70.17, -43.96)    2.89                14
 09/25/2023   15:31:29   ( -70.03, 123.52) 09/25/2023   15:32:26  ( -70.03, 123.58)    2.28                57
 09/28/2023   06:09:02   ( -70.26, -95.56) 09/28/2023   06:07:52  ( -70.24, -95.60)    2.09                70
 09/28/2023   06:58:29   (  70.15,  71.94) 09/28/2023   06:58:36  (  70.14,  71.87)    3.02                 7
 09/28/2023   07:48:02   ( -69.88,-120.82) 09/28/2023   07:49:14  ( -69.83,-120.35)   18.73                72
 09/30/2023   22:25:32   ( -70.22,  20.27) 09/30/2023   22:24:43  ( -70.22,  20.22)    2.21                49
 09/30/2023   23:15:00   (  70.06,-172.31) 09/30/2023   23:15:26  (  70.06,-172.24)    2.89                26
 10/03/2023   14:42:02   ( -70.15, 136.05) 10/03/2023   14:41:33  ( -70.15, 136.10)    1.84                29
 10/03/2023   15:31:29   (  70.04, -56.46) 10/03/2023   15:32:17  (  70.05, -56.44)    1.68                48
 10/06/2023   06:08:57   (  70.36,  84.61) 10/06/2023   06:07:44  (  70.41,  84.16)   17.82                73
 10/06/2023   06:58:29   ( -70.15,-108.07) 10/06/2023   06:58:23  ( -70.15,-108.12)    1.95                 6
 10/06/2023   07:47:56   (  70.03,  59.41) 10/06/2023   07:49:06  (  70.00,  59.42)    3.16                70
 10/08/2023   22:25:27   (  70.20,-159.73) 10/08/2023   22:24:31  (  70.22,-159.75)    2.01                56
 10/08/2023   23:14:57   ( -70.10,   7.75) 10/08/2023   23:15:13  ( -70.11,   7.73)    1.79                16
 10/09/2023   00:04:36   (  69.32, 174.33) 10/09/2023   00:05:44  (  69.33, 176.19)   73.24                68