Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2023 9 16.  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)
 09/17/2023   13:52:27   (  70.39, -31.24) 09/17/2023   13:51:15  (  70.44, -31.70)   18.12                72
 09/17/2023   14:41:59   ( -70.16, 136.07) 09/17/2023   14:41:54  ( -70.18, 136.01)    3.19                 5
 09/17/2023   15:31:27   (  70.01, -56.51) 09/17/2023   15:32:37  (  70.02, -56.44)    3.25                70
 09/20/2023   06:08:59   (  70.24,  84.43) 09/20/2023   06:08:04  (  70.26,  84.35)    3.51                55
 09/20/2023   06:58:29   ( -70.13,-108.10) 09/20/2023   06:58:45  ( -70.11,-108.10)    2.43                16
 09/20/2023   07:48:09   (  69.31,  58.42) 09/20/2023   07:49:16  (  69.31,  60.38)   77.02                67
 09/22/2023   22:25:28   (  70.17,-159.78) 09/22/2023   22:24:54  (  70.19,-159.77)    2.18                34
 09/22/2023   23:14:58   ( -70.07,   7.70) 09/22/2023   23:15:36  ( -70.09,   7.70)    2.93                38
 09/25/2023   13:52:21   ( -70.73, 149.29) 09/25/2023   13:51:11  ( -70.76, 147.80)   54.62                70
 09/25/2023   14:41:57   (  70.13, -43.96) 09/25/2023   14:41:45  (  70.14, -43.91)    1.84                12
 09/25/2023   15:31:27   ( -70.03, 123.53) 09/25/2023   15:32:27  ( -70.03, 123.57)    1.64                60
 09/28/2023   06:08:58   ( -70.23, -95.57) 09/28/2023   06:07:53  ( -70.23, -95.59)    0.79                65
 09/28/2023   06:58:25   (  70.12,  71.91) 09/28/2023   06:58:37  (  70.14,  71.86)    3.13                12
 09/28/2023   07:48:01   ( -69.68,-121.06) 09/28/2023   07:49:12  ( -69.66,-120.11)   37.01                71