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   22:12:21   ( -70.15,  23.33) 10/28/2024   22:13:13  ( -70.17,  23.26)    2.99                52
 10/28/2024   23:03:06   (  70.08,-169.25) 10/28/2024   23:02:40  (  70.06,-169.25)    1.92                26
 10/28/2024   23:53:31   ( -69.10,  -0.50) 10/28/2024   23:52:24  ( -69.18,  -2.82)   91.96                67
 10/31/2024   13:38:50   (  71.09, -29.73) 10/31/2024   13:39:56  (  71.01, -27.22)   91.15                66
 10/31/2024   14:29:15   ( -70.11, 139.17) 10/31/2024   14:29:40  ( -70.14, 139.11)    3.41                25
 10/31/2024   15:20:00   (  70.04, -53.41) 10/31/2024   15:19:07  (  70.03, -53.41)    1.94                53
 11/03/2024   05:55:28   (  70.24,  87.45) 11/03/2024   05:56:35  (  70.24,  87.53)    3.08                67
 11/03/2024   06:46:09   ( -70.10,-105.02) 11/03/2024   06:46:06  ( -70.08,-105.08)    2.84                 3
 11/03/2024   07:36:48   (  69.71,  62.87) 11/03/2024   07:35:36  (  69.80,  62.18)   28.16                72
 11/05/2024   22:12:19   (  70.14,-156.62) 11/05/2024   22:12:59  (  70.16,-156.69)    3.43                40
 11/05/2024   23:03:01   ( -70.05,  10.84) 11/05/2024   23:02:29  ( -70.05,  10.79)    1.92                32
 11/08/2024   13:38:38   ( -70.75, 150.89) 11/08/2024   13:39:47  ( -70.66, 152.31)   53.16                69
 11/08/2024   14:29:12   (  70.12, -40.80) 11/08/2024   14:29:22  (  70.10, -40.86)    2.88                10
 11/08/2024   15:19:54   ( -70.02, 126.67) 11/08/2024   15:18:51  ( -70.05, 126.70)    3.39                63