Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 6 8.  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)
 06/09/2024   14:27:41   ( -70.20, 139.04) 06/09/2024   14:28:52  ( -70.20, 139.11)    2.64                71
 06/09/2024   15:18:25   (  70.06, -53.44) 06/09/2024   15:18:20  (  70.05, -53.47)    1.90                 5
 06/09/2024   16:09:04   ( -69.83, 114.23) 06/09/2024   16:07:51  ( -69.88, 113.93)   12.58                73
 06/12/2024   06:44:39   ( -70.14,-105.11) 06/12/2024   06:45:20  ( -70.13,-105.12)    1.28                41
 06/12/2024   07:35:23   (  70.01,  62.41) 06/12/2024   07:34:47  (  70.03,  62.38)    2.28                36
 06/14/2024   22:11:01   (  70.54,-157.30) 06/14/2024   22:12:12  (  70.40,-156.47)   34.49                71
 06/14/2024   23:01:36   ( -70.09,  10.73) 06/14/2024   23:01:45  ( -70.12,  10.76)    3.16                 9
 06/14/2024   23:52:20   (  69.96, 178.23) 06/14/2024   23:51:13  (  69.96, 178.17)    2.40                67
 06/17/2024   14:27:53   (  70.20, -40.99) 06/17/2024   14:28:41  (  70.18, -40.90)    3.66                48
 06/17/2024   15:18:34   ( -70.06, 126.54) 06/17/2024   15:18:11  ( -70.07, 126.57)    1.29                23
 06/20/2024   05:54:20   ( -70.98, -93.80) 06/20/2024   05:55:27  ( -70.90, -91.58)   80.84                67
 06/20/2024   06:44:50   (  70.13,  74.89) 06/20/2024   06:45:06  (  70.13,  74.92)    1.55                16
 06/20/2024   07:35:32   ( -70.04,-117.66) 06/20/2024   07:34:36  ( -70.02,-117.60)    2.96                56