Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2025 5 24.  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)
 05/24/2025   22:11:32   ( -70.23,  23.24) 05/24/2025   22:12:32  ( -70.24,  23.30)    2.66                60
 05/24/2025   23:02:16   (  70.09,-169.24) 05/24/2025   23:02:00  (  70.09,-169.28)    1.55                16
 05/24/2025   23:52:48   ( -69.49,  -1.03) 05/24/2025   23:51:38  ( -69.53,  -2.41)   54.13                70
 05/27/2025   14:28:29   ( -70.19, 139.06) 05/27/2025   14:29:01  ( -70.17, 139.07)    2.54                32
 05/27/2025   15:19:13   (  70.05, -53.42) 05/27/2025   15:18:28  (  70.07, -53.43)    1.41                45
 05/30/2025   05:54:45   (  70.34,  87.28) 05/30/2025   05:55:57  (  70.30,  87.50)    9.36                72
 05/30/2025   06:45:25   ( -70.16,-105.13) 05/30/2025   06:45:28  ( -70.13,-105.11)    3.21                 3
 05/30/2025   07:36:08   (  69.97,  62.47) 05/30/2025   07:34:56  (  69.97,  62.31)    6.06                72
 06/01/2025   22:11:40   (  70.20,-156.75) 06/01/2025   22:12:26  (  70.18,-156.78)    2.35                46
 06/01/2025   23:02:21   ( -70.08,  10.76) 06/01/2025   23:01:56  ( -70.08,  10.70)    2.20                25
 06/04/2025   13:38:07   ( -71.04, 150.33) 06/04/2025   13:39:14  ( -70.93, 152.57)   81.89                67
 06/04/2025   14:28:37   (  70.18, -40.95) 06/04/2025   14:28:53  (  70.16, -40.93)    1.94                16
 06/04/2025   15:19:18   ( -70.05, 126.56) 06/04/2025   15:18:23  ( -70.06, 126.55)    0.61                55