Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 11 16.  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)
 11/16/2024   13:39:29   (  70.21, -28.40) 11/16/2024   13:40:11  (  70.22, -28.40)    1.68                42
 11/16/2024   14:30:11   ( -70.11, 139.06) 11/16/2024   14:29:41  ( -70.12, 139.08)    0.64                30
 11/19/2024   05:05:56   ( -71.20, -81.56) 11/19/2024   05:07:02  ( -71.07, -78.90)   96.76                66
 11/19/2024   05:56:23   (  70.21,  87.37) 11/19/2024   05:56:43  (  70.20,  87.44)    2.80                20
 11/19/2024   06:47:04   ( -70.06,-105.08) 11/19/2024   06:46:14  ( -70.04,-105.16)    3.16                50
 11/21/2024   21:22:35   ( -70.38,  35.55) 11/21/2024   21:23:47  ( -70.35,  35.87)   12.66                72
 11/21/2024   22:13:16   (  70.13,-156.74) 11/21/2024   22:13:16  (  70.13,-156.80)    2.10                 0
 11/21/2024   23:03:58   ( -70.02,  10.74) 11/21/2024   23:02:46  ( -70.03,  10.69)    1.82                72
 11/24/2024   13:39:26   ( -70.21, 151.58) 11/24/2024   13:40:20  ( -70.23, 151.57)    1.44                54
 11/24/2024   14:30:10   (  70.12, -40.96) 11/24/2024   14:29:47  (  70.11, -40.94)    1.17                23
 11/24/2024   15:20:38   ( -69.27, 127.60) 11/24/2024   15:19:30  ( -69.30, 125.57)   80.01                68
 11/27/2024   05:56:19   ( -70.17, -92.58) 11/27/2024   05:56:51  ( -70.16, -92.64)    2.69                32
 11/27/2024   06:47:03   (  70.09,  74.86) 11/27/2024   06:46:17  (  70.10,  74.92)    2.56                46
 11/29/2024   21:22:34   (  70.54,-144.70) 11/29/2024   21:23:45  (  70.47,-143.94)   29.31                71
 11/29/2024   22:13:11   ( -70.16,  23.22) 11/29/2024   22:13:19  ( -70.15,  23.23)    0.61                 8
 11/29/2024   23:03:54   (  70.02,-169.27) 11/29/2024   23:02:46  (  70.03,-169.30)    1.65                68