Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2023 9 14.  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)
 09/14/2023   22:25:29   ( -70.17,  20.20) 09/14/2023   22:25:01  ( -70.16,  20.28)    3.18                28
 09/14/2023   23:14:56   (  70.07,-172.30) 09/14/2023   23:15:45  (  70.05,-172.25)    3.04                49
 09/17/2023   13:52:27   (  70.38, -31.25) 09/17/2023   13:51:15  (  70.44, -31.70)   18.11                72
 09/17/2023   14:41:59   ( -70.16, 136.07) 09/17/2023   14:41:54  ( -70.18, 136.01)    3.10                 5
 09/17/2023   15:31:26   (  70.06, -56.44) 09/17/2023   15:32:37  (  70.02, -56.44)    3.66                71
 09/20/2023   06:08:58   (  70.22,  84.41) 09/20/2023   06:08:02  (  70.21,  84.43)    1.68                56
 09/20/2023   06:58:28   ( -70.11,-108.12) 09/20/2023   06:58:44  ( -70.11,-108.10)    0.79                16
 09/20/2023   07:48:08   (  69.29,  58.40) 09/20/2023   07:49:15  (  69.32,  60.37)   77.65                67
 09/22/2023   22:25:27   (  70.20,-159.75) 09/22/2023   22:24:54  (  70.20,-159.79)    1.73                33
 09/22/2023   23:14:57   ( -70.09,   7.73) 09/22/2023   23:15:36  ( -70.10,   7.69)    2.06                39
 09/25/2023   13:52:21   ( -70.68, 149.22) 09/25/2023   13:51:11  ( -70.77, 147.78)   53.81                70
 09/25/2023   14:41:56   (  70.14, -43.95) 09/25/2023   14:41:45  (  70.15, -43.93)    2.18                11
 09/25/2023   15:31:26   ( -70.03, 123.54) 09/25/2023   15:32:27  ( -70.05, 123.55)    1.89                61