Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 10 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)
 10/20/2024   22:12:22   (  70.18,-156.75) 10/20/2024   22:13:10  (  70.16,-156.75)    2.87                48
 10/20/2024   23:03:03   ( -70.06,  10.76) 10/20/2024   23:02:40  ( -70.05,  10.73)    1.49                23
 10/23/2024   14:29:16   (  70.11, -40.86) 10/23/2024   14:29:39  (  70.14, -40.89)    3.16                23
 10/23/2024   15:19:58   ( -70.04, 126.57) 10/23/2024   15:19:09  ( -70.04, 126.59)    0.88                49
 10/26/2024   05:55:27   ( -70.25, -92.60) 10/26/2024   05:56:39  ( -70.24, -92.49)    4.07                72
 10/26/2024   06:46:10   (  70.07,  74.98) 10/26/2024   06:46:07  (  70.07,  74.91)    2.88                 3
 10/26/2024   07:36:50   ( -69.89,-117.42) 10/26/2024   07:35:38  ( -69.92,-117.68)   10.49                72
 10/28/2024   22:12:19   ( -70.19,  23.29) 10/28/2024   22:13:04  ( -70.19,  23.32)    1.35                45
 10/28/2024   23:03:03   (  70.07,-169.22) 10/28/2024   23:02:31  (  70.07,-169.20)    0.73                32
 10/31/2024   13:38:41   (  70.82, -29.26) 10/31/2024   13:39:50  (  70.68, -27.68)   59.85                69
 10/31/2024   14:29:12   ( -70.15, 139.13) 10/31/2024   14:29:28  ( -70.14, 139.16)    1.78                16
 10/31/2024   15:19:56   (  70.04, -53.38) 10/31/2024   15:18:55  (  70.01, -53.37)    2.50                61