Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 9 29.  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)
 09/29/2024   14:28:53   ( -70.13, 139.14) 09/29/2024   14:29:27  ( -70.15, 139.14)    1.94                34
 09/29/2024   15:19:38   (  70.04, -53.42) 09/29/2024   15:18:54  (  70.05, -53.35)    2.57                44
 10/02/2024   05:55:16   (  70.46,  87.06) 10/02/2024   05:56:26  (  70.38,  87.73)   26.47                70
 10/02/2024   06:45:53   ( -70.12,-105.09) 10/02/2024   06:45:59  ( -70.11,-105.03)    2.80                 6
 10/02/2024   07:36:37   (  69.98,  62.43) 10/02/2024   07:35:26  (  70.00,  62.46)    2.62                71
 10/04/2024   22:12:10   (  70.16,-156.71) 10/04/2024   22:13:00  (  70.17,-156.70)    0.56                50
 10/04/2024   23:02:51   ( -70.03,  10.80) 10/04/2024   23:02:30  ( -70.06,  10.78)    3.11                21
 10/04/2024   23:53:19   (  69.05, 179.55) 10/04/2024   23:52:13  (  69.07, 177.08)   98.18                66
 10/07/2024   14:29:08   (  70.10, -40.85) 10/07/2024   14:29:30  (  70.10, -40.91)    2.51                22
 10/07/2024   15:19:50   ( -70.02, 126.59) 10/07/2024   15:19:00  ( -70.00, 126.58)    1.93                50
 10/10/2024   05:55:21   ( -70.18, -92.52) 10/10/2024   05:56:30  ( -70.20, -92.52)    2.51                69
 10/10/2024   06:46:06   (  70.10,  74.91) 10/10/2024   06:45:57  (  70.09,  74.96)    2.64                 9
 10/10/2024   07:36:43   ( -69.76,-117.26) 10/10/2024   07:35:30  ( -69.82,-117.79)   21.46                73
 10/12/2024   22:12:19   ( -70.15,  23.29) 10/12/2024   22:12:57  ( -70.18,  23.33)    3.22                38
 10/12/2024   23:03:03   (  70.03,-169.21) 10/12/2024   23:02:25  (  70.00,-169.27)    3.48                38