Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-9
TLE Epoch: 2023 12 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)
 12/17/2023   06:58:07   ( -70.11,-108.21) 12/17/2023   06:58:44  ( -70.11,-108.16)    2.00                37
 12/17/2023   07:48:51   (  70.00,  59.27) 12/17/2023   07:48:11  (  70.01,  59.34)    3.36                40
 12/19/2023   22:24:29   (  70.68,-160.66) 12/19/2023   22:25:38  (  70.56,-159.27)   53.21                69
 12/19/2023   23:15:01   ( -70.06,   7.64) 12/19/2023   23:15:15  ( -70.06,   7.64)    0.53                14
 12/20/2023   00:05:45   (  69.95, 175.11) 12/20/2023   00:04:42  (  69.96, 175.14)    1.30                63
 12/22/2023   14:41:13   (  70.11, -43.99) 12/22/2023   14:42:15  (  70.15, -43.99)    3.63                62
 12/22/2023   15:31:55   ( -70.01, 123.48) 12/22/2023   15:31:45  ( -70.04, 123.49)    3.01                10
 12/22/2023   16:22:30   (  69.43, -68.35) 12/22/2023   16:21:20  (  69.49, -69.62)   50.02                70
 12/25/2023   06:58:06   (  70.08,  71.84) 12/25/2023   06:58:44  (  70.10,  71.82)    2.18                38
 12/25/2023   07:48:48   ( -69.98,-120.69) 12/25/2023   07:48:14  ( -69.99,-120.69)    2.03                34
 12/27/2023   22:24:28   ( -70.78,  19.19) 12/27/2023   22:25:37  ( -70.69,  20.92)   64.34                69
 12/27/2023   23:15:00   (  70.05,-172.35) 12/27/2023   23:15:14  (  70.03,-172.40)    3.37                14
 12/28/2023   00:05:42   ( -69.95,  -4.87) 12/28/2023   00:04:44  ( -69.93,  -4.91)    2.81                58
 12/30/2023   14:41:10   ( -70.13, 136.00) 12/30/2023   14:42:15  ( -70.16, 136.03)    3.40                65
 12/30/2023   15:31:54   (  70.03, -56.54) 12/30/2023   15:31:42  (  70.04, -56.49)    2.20                12
 12/30/2023   16:22:29   ( -69.56, 111.48) 12/30/2023   16:21:18  ( -69.61, 110.54)   37.10                71