Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-9
TLE Epoch: 2023 9 17.  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  ( -71.00, 149.68)   91.94                66
 09/17/2023   14:41:40   (  70.11, -44.00) 09/17/2023   14:41:59  (  70.14, -43.97)    3.29                19
 09/17/2023   15:32:22   ( -70.03, 123.44) 09/17/2023   15:31:29  ( -70.02, 123.50)    2.66                53
 09/20/2023   06:07:49   ( -70.24, -95.74) 09/20/2023   06:09:01  ( -70.22, -95.60)    5.40                72
 09/20/2023   06:58:31   (  70.07,  71.84) 09/20/2023   06:58:28  (  70.06,  71.81)    1.02                 3
 09/20/2023   07:49:11   ( -69.88,-120.56) 09/20/2023   07:47:59  ( -69.90,-120.79)    8.79                72
 09/22/2023   22:24:39   ( -70.15,  20.18) 09/22/2023   22:25:29  ( -70.18,  20.22)    3.18                50
 09/22/2023   23:15:23   (  70.03,-172.33) 09/22/2023   23:14:57  (  70.01,-172.37)    2.57                26
 09/23/2023   00:05:48   ( -69.05,  -3.59) 09/23/2023   00:04:41  ( -69.14,  -5.93)   93.15                67
 09/25/2023   14:41:31   ( -70.12, 136.00) 09/25/2023   14:41:58  ( -70.10, 136.00)    2.75                27
 09/25/2023   15:32:15   (  70.01, -56.52) 09/25/2023   15:31:25  (  69.99, -56.52)    2.32                50
 09/28/2023   06:07:43   (  70.30,  84.19) 09/28/2023   06:08:54  (  70.26,  84.48)   11.88                71
 09/28/2023   06:58:22   ( -70.05,-108.11) 09/28/2023   06:58:26  ( -70.04,-108.19)    3.03                 4
 09/28/2023   07:49:06   (  69.94,  59.37) 09/28/2023   07:47:53  (  69.93,  59.29)    3.09                73
 09/30/2023   22:24:32   (  70.13,-159.77) 09/30/2023   22:25:23  (  70.11,-159.83)    3.06                51
 09/30/2023   23:15:13   ( -70.04,   7.69) 09/30/2023   23:14:52  ( -70.01,   7.66)    3.28                21