Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 7 7.  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)
 07/08/2024   22:11:19   ( -70.16,  23.27) 07/08/2024   22:12:26  ( -70.14,  23.25)    2.59                67
 07/08/2024   23:02:03   (  70.04,-169.24) 07/08/2024   23:01:53  (  70.04,-169.25)    0.45                10
 07/08/2024   23:52:39   ( -69.64,  -1.32) 07/08/2024   23:51:27  ( -69.71,  -2.08)   30.44                72
 07/11/2024   14:28:16   ( -70.14, 139.06) 07/11/2024   14:28:58  ( -70.13, 139.11)    2.11                42
 07/11/2024   15:19:00   (  70.03, -53.45) 07/11/2024   15:18:25  (  70.03, -53.39)    2.31                35
 07/14/2024   05:54:41   (  70.80,  86.46) 07/14/2024   05:55:50  (  70.70,  88.19)   64.67                69
 07/14/2024   06:45:11   ( -70.08,-105.07) 07/14/2024   06:45:29  ( -70.10,-105.06)    2.47                18
 07/14/2024   07:35:55   (  69.97,  62.41) 07/14/2024   07:34:56  (  69.99,  62.43)    3.03                59
 07/16/2024   22:11:25   (  70.12,-156.68) 07/16/2024   22:12:31  (  70.14,-156.76)    3.37                66
 07/16/2024   23:02:07   ( -70.02,  10.79) 07/16/2024   23:02:01  ( -70.04,  10.73)    2.90                 6
 07/16/2024   23:52:44   (  69.54, 178.81) 07/16/2024   23:51:33  (  69.65, 177.84)   39.59                71
 07/19/2024   14:28:22   (  70.13, -40.92) 07/19/2024   14:29:02  (  70.10, -40.93)    3.39                40
 07/19/2024   15:19:04   ( -70.02, 126.56) 07/19/2024   15:18:32  ( -70.00, 126.56)    2.56                32