Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 9 1.  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)
 09/02/2024   22:11:33   (  70.29,-156.83) 09/02/2024   22:12:45  (  70.24,-156.58)   10.95                72
 09/02/2024   23:02:13   ( -70.09,  10.79) 09/02/2024   23:02:16  ( -70.07,  10.81)    2.13                 3
 09/02/2024   23:52:56   (  69.93, 178.35) 09/02/2024   23:51:43  (  69.97, 178.31)    4.55                73
 09/05/2024   14:28:23   (  70.17, -40.85) 09/05/2024   14:29:12  (  70.17, -40.78)    2.71                49
 09/05/2024   15:19:05   ( -70.07, 126.61) 09/05/2024   15:18:42  ( -70.06, 126.69)    3.39                23
 09/05/2024   16:09:31   (  69.01, -64.53) 09/05/2024   16:08:25  (  69.07, -67.01)   98.69                66
 09/08/2024   06:45:14   (  70.12,  75.01) 09/08/2024   06:45:37  (  70.14,  75.07)    3.18                23
 09/08/2024   07:35:56   ( -70.02,-117.52) 09/08/2024   07:35:07  ( -70.03,-117.45)    2.74                49
 09/10/2024   22:11:22   ( -70.24,  23.30) 09/10/2024   22:12:34  ( -70.20,  23.43)    6.57                72
 09/10/2024   23:02:05   (  70.09,-169.15) 09/10/2024   23:02:01  (  70.09,-169.09)    2.21                 4
 09/10/2024   23:52:45   ( -69.89,  -1.52) 09/10/2024   23:51:32  ( -69.92,  -1.69)    7.60                73
 09/13/2024   14:28:10   ( -70.13, 139.28) 09/13/2024   14:28:56  ( -70.14, 139.26)    1.66                46
 09/13/2024   15:18:54   (  70.02, -53.25) 09/13/2024   15:18:23  (  70.02, -53.27)    0.65                31