Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 3 19.  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)
 03/21/2024   15:18:05   (  70.02, -53.46) 03/21/2024   15:19:09  (  70.01, -53.52)    2.49                64
 03/21/2024   16:08:47   ( -69.92, 114.01) 03/21/2024   16:08:39  ( -69.90, 113.96)    3.07                 8
 03/21/2024   16:59:23   (  69.38, -77.89) 03/21/2024   16:58:12  (  69.46, -78.99)   43.91                71
 03/24/2024   07:35:02   (  69.98,  62.38) 03/24/2024   07:35:37  (  69.99,  62.33)    2.52                35
 03/24/2024   08:25:44   ( -69.88,-130.16) 03/24/2024   08:25:07  ( -69.88,-130.19)    1.51                37
 03/26/2024   23:01:22   ( -70.41,  10.15) 03/26/2024   23:02:33  ( -70.33,  11.05)   34.86                71
 03/26/2024   23:51:59   (  69.94, 178.19) 03/26/2024   23:52:05  (  69.94, 178.14)    1.93                 6
 03/27/2024   00:42:41   ( -69.84, -14.33) 03/27/2024   00:41:35  ( -69.84, -14.37)    1.43                66
 03/29/2024   15:18:12   ( -70.02, 126.53) 03/29/2024   15:19:05  ( -70.03, 126.51)    1.41                53
 03/29/2024   16:08:56   (  69.92, -66.01) 03/29/2024   16:08:32  (  69.91, -66.01)    0.72                24
 03/29/2024   16:59:23   ( -69.02, 102.61) 03/29/2024   16:58:15  ( -69.09, 100.52)   83.42                68
 04/01/2024   06:44:41   (  70.90,  73.57) 04/01/2024   06:45:48  (  70.79,  75.87)   85.09                67
 04/01/2024   07:35:08   ( -70.00,-117.68) 04/01/2024   07:35:31  ( -69.97,-117.68)    3.28                23
 04/01/2024   08:25:51   (  69.85,  49.86) 04/01/2024   08:24:58  (  69.85,  49.80)    2.37                53