Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 6 3.  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)
 06/04/2024   06:44:28   (  70.16,  74.89) 06/04/2024   06:45:23  (  70.13,  74.89)    3.36                55
 06/04/2024   07:35:09   ( -70.03,-117.59) 06/04/2024   07:34:53  ( -70.01,-117.64)    2.60                16
 06/04/2024   08:25:40   (  69.20,  50.92) 06/04/2024   08:24:32  (  69.25,  48.97)   77.41                68
 06/06/2024   23:01:26   (  70.07,-169.22) 06/06/2024   23:01:52  (  70.09,-169.29)    3.31                26
 06/06/2024   23:52:08   ( -70.00,  -1.78) 06/06/2024   23:51:22  ( -69.97,  -1.82)    2.71                46
 06/09/2024   14:27:41   ( -70.18, 139.07) 06/09/2024   14:28:53  ( -70.17, 139.06)    0.74                72
 06/09/2024   15:18:25   (  70.05, -53.42) 06/09/2024   15:18:20  (  70.07, -53.45)    2.23                 5
 06/09/2024   16:09:04   ( -69.81, 114.26) 06/09/2024   16:07:52  ( -69.85, 113.88)   15.03                72
 06/12/2024   06:44:39   ( -70.11,-105.06) 06/12/2024   06:45:21  ( -70.12,-105.13)    3.17                42
 06/12/2024   07:35:24   (  70.03,  62.36) 06/12/2024   07:34:48  (  70.01,  62.36)    2.42                36
 06/14/2024   22:11:02   (  70.55,-157.32) 06/14/2024   22:12:13  (  70.41,-156.46)   35.31                71
 06/14/2024   23:01:37   ( -70.10,  10.72) 06/14/2024   23:01:47  ( -70.09,  10.70)    1.13                10
 06/14/2024   23:52:21   (  69.97, 178.22) 06/14/2024   23:51:14  (  69.98, 178.19)    1.06                67