Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 9 3.  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)
 09/05/2024   14:28:23   (  70.15, -40.83) 09/05/2024   14:29:13  (  70.13, -40.84)    2.31                50
 09/05/2024   15:19:05   ( -70.06, 126.63) 09/05/2024   15:18:42  ( -70.07, 126.70)    2.99                23
 09/05/2024   16:09:31   (  68.99, -64.51) 09/05/2024   16:08:25  (  69.08, -66.99)   99.21                66
 09/08/2024   06:45:13   (  70.11,  75.03) 09/08/2024   06:45:36  (  70.13,  75.06)    2.58                23
 09/08/2024   07:35:55   ( -70.01,-117.51) 09/08/2024   07:35:06  ( -70.01,-117.47)    1.64                49
 09/10/2024   22:11:21   ( -70.25,  23.30) 09/10/2024   22:12:32  ( -70.21,  23.45)    6.77                71
 09/10/2024   23:02:03   (  70.04,-169.07) 09/10/2024   23:02:00  (  70.04,-169.14)    3.17                 3
 09/10/2024   23:52:44   ( -69.89,  -1.52) 09/10/2024   23:51:30  ( -69.93,  -1.67)    7.33                74
 09/13/2024   14:28:10   ( -70.14, 139.26) 09/13/2024   14:28:54  ( -70.16, 139.29)    2.25                44
 09/13/2024   15:18:54   (  70.04, -53.27) 09/13/2024   15:18:21  (  70.04, -53.23)    1.81                33
 09/16/2024   05:54:28   (  70.74,  86.79) 09/16/2024   05:55:37  (  70.63,  88.27)   55.86                69
 09/16/2024   06:44:59   ( -70.06,-104.82) 09/16/2024   06:45:15  ( -70.08,-104.90)    3.38                16
 09/16/2024   07:35:43   (  69.96,  62.64) 09/16/2024   07:34:42  (  69.96,  62.58)    2.52                61