Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 4 26.  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)
 04/27/2024   23:01:22   ( -70.04,  10.75) 04/27/2024   23:02:11  ( -70.06,  10.70)    2.96                49
 04/27/2024   23:52:06   (  69.93, 178.23) 04/27/2024   23:51:38  (  69.95, 178.19)    2.71                28
 04/30/2024   14:27:49   (  71.00, -42.32) 04/30/2024   14:28:55  (  70.89, -39.84)   90.93                66
 04/30/2024   15:18:14   ( -70.01, 126.58) 04/30/2024   15:18:39  ( -70.01, 126.51)    2.81                25
 04/30/2024   16:08:58   (  69.90, -65.94) 04/30/2024   16:08:06  (  69.90, -66.01)    2.37                52
 05/03/2024   06:44:25   (  70.10,  74.91) 05/03/2024   06:45:36  (  70.11,  74.90)    1.36                71
 05/03/2024   07:35:07   ( -70.01,-117.62) 05/03/2024   07:35:06  ( -70.01,-117.61)    0.60                 1
 05/03/2024   08:25:48   (  69.74,  50.09) 05/03/2024   08:24:35  (  69.78,  49.71)   15.05                73
 05/05/2024   23:01:17   (  70.07,-169.24) 05/05/2024   23:02:02  (  70.10,-169.24)    3.47                45
 05/05/2024   23:51:59   ( -69.97,  -1.78) 05/05/2024   23:51:32  ( -70.00,  -1.75)    3.29                27
 05/08/2024   14:27:41   ( -70.99, 137.75) 05/08/2024   14:28:47  ( -70.90, 140.20)   89.68                66
 05/08/2024   15:18:09   (  70.05, -53.44) 05/08/2024   15:18:27  (  70.07, -53.38)    2.89                18
 05/08/2024   16:08:50   ( -69.90, 114.11) 05/08/2024   16:07:58  ( -69.92, 114.03)    3.41                52