Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2023 2 27.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-21) NOAA-21 Lat/Lon Date Time(LANDSAT-9) LANDSAT-9 Lat/Lon    Distance(km)  Time Diff(sec)
 02/28/2023   23:01:47   (  70.09,-169.17) 02/28/2023   23:02:46  (  70.10,-169.23)    2.66                59
 02/28/2023   23:52:29   ( -70.00,  -1.72) 02/28/2023   23:52:16  ( -69.99,  -1.76)    2.06                13
 03/01/2023   00:43:02   (  69.30, 166.62) 03/01/2023   00:41:53  (  69.33, 164.99)   63.93                69
 03/03/2023   15:18:42   (  70.10, -53.42) 03/03/2023   15:19:14  (  70.11, -53.35)    2.82                32
 03/03/2023   16:09:23   ( -69.95, 114.12) 03/03/2023   16:08:45  ( -69.94, 114.06)    2.75                38
 03/06/2023   06:45:00   ( -70.59,-105.73) 03/06/2023   06:46:10  ( -70.46,-104.60)   44.62                70
 03/06/2023   07:35:35   (  70.01,  62.48) 03/06/2023   07:35:43  (  70.02,  62.41)    2.74                 8
 03/06/2023   08:26:17   ( -69.92,-130.06) 03/06/2023   08:25:13  ( -69.92,-130.10)    1.74                64
 03/08/2023   23:01:45   ( -70.10,  10.82) 03/08/2023   23:02:43  ( -70.13,  10.80)    3.39                58
 03/08/2023   23:52:29   (  69.99, 178.28) 03/08/2023   23:52:10  (  70.01, 178.28)    2.25                19
 03/09/2023   00:43:00   ( -69.31, -13.40) 03/09/2023   00:41:50  ( -69.36, -14.98)   62.04                70
 03/11/2023   15:18:38   ( -70.08, 126.61) 03/11/2023   15:19:09  ( -70.08, 126.62)    0.52                31
 03/11/2023   16:09:22   (  69.98, -65.93) 03/11/2023   16:08:36  (  69.96, -65.90)    2.09                46