Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 6 19.  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)
 06/20/2024   05:54:21   ( -71.02, -93.86) 06/20/2024   05:55:28  ( -70.90, -91.58)   83.57                67
 06/20/2024   06:44:50   (  70.10,  74.93) 06/20/2024   06:45:08  (  70.10,  74.87)    2.40                18
 06/20/2024   07:35:32   ( -70.02,-117.64) 06/20/2024   07:34:37  ( -70.03,-117.60)    1.69                55
 06/22/2024   22:11:04   ( -70.20,  23.22) 06/22/2024   22:12:05  ( -70.22,  23.29)    3.27                61
 06/22/2024   23:01:48   (  70.07,-169.27) 06/22/2024   23:01:33  (  70.06,-169.29)    1.14                15
 06/22/2024   23:52:21   ( -69.52,  -1.12) 06/22/2024   23:51:10  ( -69.56,  -2.35)   47.87                71
 06/25/2024   14:28:01   ( -70.13, 139.10) 06/25/2024   14:28:31  ( -70.11, 139.03)    3.31                30
 06/25/2024   15:18:46   (  70.05, -53.47) 06/25/2024   15:17:57  (  70.06, -53.40)    3.07                49
 06/28/2024   05:54:16   (  70.20,  87.44) 06/28/2024   05:55:24  (  70.20,  87.42)    0.84                68
 06/28/2024   06:44:58   ( -70.11,-105.11) 06/28/2024   06:44:54  ( -70.09,-105.11)    2.83                 4
 06/28/2024   07:35:37   (  69.72,  62.79) 06/28/2024   07:34:25  (  69.76,  62.07)   27.64                72
 06/30/2024   22:11:13   (  70.14,-156.71) 06/30/2024   22:11:48  (  70.14,-156.76)    2.22                35
 06/30/2024   23:01:55   ( -70.05,  10.75) 06/30/2024   23:01:18  ( -70.03,  10.71)    2.47                37