Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-9
TLE Epoch: 2023 9 16.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-20) NOAA-20 Lat/Lon Date Time(LANDSAT-9) LANDSAT-9 Lat/Lon    Distance(km)  Time Diff(sec)
 09/17/2023   13:51:12   ( -71.07, 147.14) 09/17/2023   13:52:18  ( -70.99, 149.67)   92.06                66
 09/17/2023   14:41:40   (  70.11, -44.01) 09/17/2023   14:41:59  (  70.13, -43.97)    2.40                19
 09/17/2023   15:32:22   ( -70.03, 123.43) 09/17/2023   15:31:29  ( -70.02, 123.50)    3.04                53
 09/20/2023   06:07:49   ( -70.24, -95.74) 09/20/2023   06:09:01  ( -70.22, -95.60)    5.61                72
 09/20/2023   06:58:32   (  70.07,  71.83) 09/20/2023   06:58:29  (  70.06,  71.81)    1.30                 3
 09/20/2023   07:49:12   ( -69.88,-120.56) 09/20/2023   07:48:00  ( -69.90,-120.79)    8.63                72
 09/22/2023   22:24:39   ( -70.15,  20.18) 09/22/2023   22:25:30  ( -70.13,  20.15)    3.23                51
 09/22/2023   23:15:23   (  70.03,-172.33) 09/22/2023   23:14:57  (  70.02,-172.37)    2.45                26
 09/23/2023   00:05:48   ( -69.05,  -3.59) 09/23/2023   00:04:42  ( -69.08,  -5.99)   95.52                66
 09/25/2023   14:41:31   ( -70.12, 136.00) 09/25/2023   14:41:58  ( -70.11, 136.01)    1.63                27
 09/25/2023   15:32:15   (  70.01, -56.51) 09/25/2023   15:31:25  (  69.99, -56.51)    1.46                50
 09/28/2023   06:07:43   (  70.29,  84.20) 09/28/2023   06:08:54  (  70.27,  84.50)   11.62                71
 09/28/2023   06:58:22   ( -70.05,-108.10) 09/28/2023   06:58:26  ( -70.06,-108.17)    2.89                 4
 09/28/2023   07:49:06   (  69.93,  59.38) 09/28/2023   07:47:53  (  69.94,  59.31)    2.71                73