Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 11 17.  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)
 11/19/2024   05:05:56   ( -71.17, -81.52) 11/19/2024   05:07:02  ( -71.10, -78.86)   96.06                66
 11/19/2024   05:56:23   (  70.18,  87.41) 11/19/2024   05:56:44  (  70.18,  87.40)    0.32                21
 11/19/2024   06:47:05   ( -70.08,-105.12) 11/19/2024   06:46:14  ( -70.07,-105.12)    1.06                51
 11/21/2024   21:22:37   ( -70.44,  35.47) 11/21/2024   21:23:48  ( -70.35,  35.88)   17.88                71
 11/21/2024   22:13:17   (  70.13,-156.74) 11/21/2024   22:13:17  (  70.14,-156.79)    2.22                 0
 11/21/2024   23:03:59   ( -70.02,  10.73) 11/21/2024   23:02:47  ( -70.03,  10.70)    2.09                72
 11/24/2024   13:39:28   ( -70.23, 151.56) 11/24/2024   13:40:22  ( -70.22, 151.56)    0.60                54
 11/24/2024   14:30:12   (  70.13, -40.99) 11/24/2024   14:29:49  (  70.11, -40.95)    2.82                23
 11/24/2024   15:20:40   ( -69.28, 127.58) 11/24/2024   15:19:32  ( -69.30, 125.56)   79.37                68
 11/27/2024   05:56:21   ( -70.19, -92.62) 11/27/2024   05:56:52  ( -70.21, -92.58)    3.26                31
 11/27/2024   06:47:05   (  70.10,  74.83) 11/27/2024   06:46:19  (  70.10,  74.90)    2.95                46
 11/29/2024   21:22:39   (  70.60,-144.81) 11/29/2024   21:23:49  (  70.48,-143.94)   34.89                70
 11/29/2024   22:13:15   ( -70.16,  23.19) 11/29/2024   22:13:23  ( -70.17,  23.23)    1.71                 8
 11/29/2024   23:03:58   (  70.03,-169.29) 11/29/2024   23:02:50  (  70.05,-169.29)    2.79                68