Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 9 20.  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)
 09/21/2024   14:28:38   (  70.11, -40.79) 09/21/2024   14:29:19  (  70.12, -40.87)    2.88                41
 09/21/2024   15:19:20   ( -70.03, 126.65) 09/21/2024   15:18:48  ( -70.06, 126.69)    3.35                32
 09/24/2024   05:55:02   ( -70.61, -93.13) 09/24/2024   05:56:12  ( -70.53, -92.01)   42.60                70
 09/24/2024   06:45:39   (  70.11,  74.96) 09/24/2024   06:45:45  (  70.09,  75.00)    2.31                 6
 09/24/2024   07:36:20   ( -69.98,-117.52) 09/24/2024   07:35:15  ( -69.98,-117.52)    0.69                65
 09/26/2024   22:11:54   ( -70.16,  23.34) 09/26/2024   22:12:43  ( -70.18,  23.38)    2.65                49
 09/26/2024   23:02:38   (  70.02,-169.15) 09/26/2024   23:02:11  (  70.01,-169.22)    3.32                27
 09/29/2024   13:38:20   (  70.69, -29.07) 09/29/2024   13:39:30  (  70.57, -27.77)   49.91                70
 09/29/2024   14:28:52   ( -70.08, 139.21) 09/29/2024   14:29:07  ( -70.08, 139.15)    2.25                15
 09/29/2024   15:19:37   (  70.01, -53.36) 09/29/2024   15:18:33  (  70.02, -53.29)    3.16                64
 10/02/2024   05:55:10   (  70.17,  87.52) 10/02/2024   05:56:00  (  70.14,  87.51)    2.82                50
 10/02/2024   06:45:51   ( -70.03,-104.95) 10/02/2024   06:45:30  ( -70.04,-105.00)    2.13                21