Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 9 25.  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)
 09/26/2024   22:11:54   ( -70.14,  23.36) 09/26/2024   22:12:45  ( -70.12,  23.29)    3.68                51
 09/26/2024   23:02:39   (  70.06,-169.20) 09/26/2024   23:02:11  (  70.07,-169.14)    2.39                28
 09/26/2024   23:53:03   ( -69.03,  -0.38) 09/26/2024   23:51:57  ( -69.07,  -2.86)   98.44                66
 09/29/2024   13:38:22   (  70.77, -29.20) 09/29/2024   13:39:31  (  70.61, -27.72)   56.97                69
 09/29/2024   14:28:53   ( -70.11, 139.17) 09/29/2024   14:29:08  ( -70.12, 139.19)    1.18                15
 09/29/2024   15:19:37   (  69.97, -53.32) 09/29/2024   15:18:35  (  70.01, -53.32)    3.41                62
 10/02/2024   05:55:11   (  70.18,  87.51) 10/02/2024   05:56:02  (  70.17,  87.54)    1.51                51
 10/02/2024   06:45:52   ( -70.05,-104.97) 10/02/2024   06:45:32  ( -70.06,-104.98)    1.64                20
 10/02/2024   07:36:20   (  69.06,  63.77) 10/02/2024   07:35:14  (  69.11,  61.38)   94.99                66
 10/04/2024   21:21:39   ( -70.94,  34.73) 10/04/2024   21:22:47  ( -70.82,  36.78)   75.96                68
 10/04/2024   22:12:10   (  70.13,-156.66) 10/04/2024   22:12:25  (  70.11,-156.64)    2.55                15
 10/04/2024   23:02:51   ( -70.00,  10.86) 10/04/2024   23:01:55  ( -70.00,  10.85)    0.76                56
 10/07/2024   13:38:24   ( -70.17, 151.72) 10/07/2024   13:39:20  ( -70.17, 151.72)    0.81                56
 10/07/2024   14:29:08   (  70.04, -40.77) 10/07/2024   14:28:47  (  70.04, -40.81)    1.38                21