Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 2 22.  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)
 02/23/2024   23:51:18   (  69.98, 178.26) 02/23/2024   23:52:01  (  70.01, 178.31)    3.40                43
 02/24/2024   00:42:00   ( -69.90, -14.29) 02/24/2024   00:41:31  ( -69.88, -14.23)    3.02                29
 02/26/2024   15:17:42   ( -70.54, 125.84) 02/26/2024   15:18:52  ( -70.44, 127.19)   51.22                70
 02/26/2024   16:08:17   (  69.94, -65.92) 02/26/2024   16:08:26  (  69.96, -65.86)    2.66                 9
 02/26/2024   16:58:59   ( -69.86, 101.53) 02/26/2024   16:57:56  ( -69.84, 101.60)    3.59                63
 02/29/2024   07:34:30   ( -69.98,-117.53) 02/29/2024   07:35:23  ( -69.98,-117.57)    1.72                53
 02/29/2024   08:25:14   (  69.86,  49.96) 02/29/2024   08:24:50  (  69.87,  49.92)    2.13                24
 02/29/2024   09:15:41   ( -68.97,-141.45) 02/29/2024   09:14:33  ( -69.04,-143.56)   84.28                68
 03/02/2024   23:00:59   (  70.68,-170.20) 03/02/2024   23:02:07  (  70.59,-168.42)   66.31                68
 03/02/2024   23:51:29   ( -69.96,  -1.73) 03/02/2024   23:51:47  ( -69.93,  -1.74)    2.97                18
 03/03/2024   00:42:13   (  69.84, 165.75) 03/03/2024   00:41:14  (  69.82, 165.75)    2.40                59
 03/05/2024   15:17:45   (  69.99, -53.34) 03/05/2024   15:18:40  (  70.01, -53.36)    2.86                55
 03/05/2024   16:08:27   ( -69.89, 114.13) 03/05/2024   16:08:10  ( -69.90, 114.12)    1.59                17
 03/05/2024   16:58:57   (  69.03, -77.33) 03/05/2024   16:57:49  (  69.12, -79.28)   77.95                68