Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2025 2 26.  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)
 02/28/2025   14:28:40   (  70.16, -40.84) 02/28/2025   14:29:33  (  70.18, -40.86)    2.29                53
 02/28/2025   15:19:21   ( -70.04, 126.66) 02/28/2025   15:19:03  ( -70.06, 126.61)    3.19                18
 02/28/2025   16:09:51   (  69.15, -64.75) 02/28/2025   16:08:44  (  69.18, -66.94)   86.88                67
 03/03/2025   06:45:34   (  70.12,  74.97) 03/03/2025   06:45:57  (  70.12,  74.96)    0.48                23
 03/03/2025   07:36:15   ( -70.00,-117.52) 03/03/2025   07:35:27  ( -70.01,-117.57)    2.18                48
 03/05/2025   22:11:44   ( -70.18,  23.34) 03/05/2025   22:12:54  ( -70.18,  23.30)    1.72                70
 03/05/2025   23:02:28   (  70.05,-169.16) 03/05/2025   23:02:21  (  70.07,-169.22)    2.68                 7
 03/05/2025   23:53:06   ( -69.76,  -1.40) 03/05/2025   23:51:53  ( -69.85,  -1.89)   20.92                73
 03/08/2025   14:28:38   ( -70.12, 139.20) 03/08/2025   14:29:17  ( -70.13, 139.13)    2.90                39
 03/08/2025   15:19:23   (  70.05, -53.39) 03/08/2025   15:18:43  (  70.07, -53.31)    3.28                40
 03/11/2025   05:54:55   (  70.43,  87.17) 03/11/2025   05:56:06  (  70.35,  87.73)   22.82                71
 03/11/2025   06:45:32   ( -70.08,-104.96) 03/11/2025   06:45:39  ( -70.07,-105.04)    2.91                 7
 03/11/2025   07:36:16   (  69.96,  62.52) 03/11/2025   07:35:06  (  69.96,  62.44)    2.99                70