Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 10 27.  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)
 10/28/2024   22:12:22   ( -70.19,  23.27) 10/28/2024   22:13:13  ( -70.18,  23.28)    0.66                51
 10/28/2024   23:03:06   (  70.06,-169.22) 10/28/2024   23:02:40  (  70.08,-169.23)    2.09                26
 10/28/2024   23:53:31   ( -69.08,  -0.48) 10/28/2024   23:52:25  ( -69.14,  -2.87)   94.92                66
 10/31/2024   13:38:49   (  71.08, -29.72) 10/31/2024   13:39:55  (  71.00, -27.22)   90.39                66
 10/31/2024   14:29:15   ( -70.16, 139.10) 10/31/2024   14:29:39  ( -70.13, 139.10)    3.63                24
 10/31/2024   15:19:59   (  70.04, -53.40) 10/31/2024   15:19:06  (  70.02, -53.41)    2.07                53
 11/03/2024   05:55:26   (  70.19,  87.52) 11/03/2024   05:56:34  (  70.20,  87.47)    1.90                68
 11/03/2024   06:46:08   ( -70.11,-105.04) 11/03/2024   06:46:04  ( -70.09,-105.06)    2.38                 4
 11/03/2024   07:36:47   (  69.73,  62.85) 11/03/2024   07:35:35  (  69.76,  62.12)   28.36                72
 11/05/2024   22:12:19   (  70.18,-156.67) 11/05/2024   22:12:57  (  70.17,-156.66)    0.32                38
 11/05/2024   23:03:01   ( -70.09,  10.79) 11/05/2024   23:02:27  ( -70.06,  10.82)    2.52                34
 11/08/2024   13:38:36   ( -70.71, 150.96) 11/08/2024   13:39:46  ( -70.56, 152.17)   47.68                70
 11/08/2024   14:29:11   (  70.13, -40.81) 11/08/2024   14:29:19  (  70.11, -40.84)    2.70                 8
 11/08/2024   15:19:53   ( -70.04, 126.65) 11/08/2024   15:18:48  ( -70.05, 126.72)    3.26                65