Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 6 14.  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)
 06/14/2024   22:11:02   (  70.55,-157.31) 06/14/2024   22:12:12  (  70.45,-156.40)   35.70                70
 06/14/2024   23:01:37   ( -70.11,  10.70) 06/14/2024   23:01:46  ( -70.11,  10.74)    1.50                 9
 06/14/2024   23:52:21   (  69.97, 178.22) 06/14/2024   23:51:14  (  69.96, 178.17)    2.70                67
 06/17/2024   14:27:53   (  70.14, -40.90) 06/17/2024   14:28:43  (  70.15, -40.95)    1.89                50
 06/17/2024   15:18:35   ( -70.07, 126.53) 06/17/2024   15:18:12  ( -70.08, 126.59)    2.59                23
 06/20/2024   05:54:21   ( -71.03, -93.88) 06/20/2024   05:55:28  ( -70.90, -91.60)   84.02                67
 06/20/2024   06:44:50   (  70.11,  74.91) 06/20/2024   06:45:07  (  70.14,  74.92)    2.84                17
 06/20/2024   07:35:32   ( -70.03,-117.65) 06/20/2024   07:34:37  ( -70.02,-117.61)    2.23                55
 06/22/2024   22:11:04   ( -70.22,  23.20) 06/22/2024   22:12:05  ( -70.20,  23.27)    2.73                61
 06/22/2024   23:01:48   (  70.09,-169.29) 06/22/2024   23:01:32  (  70.10,-169.24)    2.23                16
 06/22/2024   23:52:20   ( -69.48,  -1.07) 06/22/2024   23:51:10  ( -69.54,  -2.37)   51.34                70
 06/25/2024   14:28:01   ( -70.15, 139.08) 06/25/2024   14:28:30  ( -70.14, 139.07)    1.05                29
 06/25/2024   15:18:45   (  70.02, -53.43) 06/25/2024   15:17:57  (  70.03, -53.45)    0.76                48
 06/28/2024   05:54:17   (  70.23,  87.40) 06/28/2024   05:55:24  (  70.20,  87.42)    3.07                67
 06/28/2024   06:44:58   ( -70.08,-105.06) 06/28/2024   06:44:54  ( -70.09,-105.10)    1.80                 4
 06/28/2024   07:35:37   (  69.70,  62.82) 06/28/2024   07:34:25  (  69.76,  62.08)   29.40                72