Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 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)
 02/26/2024   15:17:49   ( -70.93, 125.20) 02/26/2024   15:18:55  ( -70.81, 127.70)   92.06                66
 02/26/2024   16:08:17   (  69.97, -65.96) 02/26/2024   16:08:36  (  69.95, -65.92)    2.37                19
 02/26/2024   16:58:58   ( -69.83, 101.57) 02/26/2024   16:58:06  ( -69.83, 101.55)    0.68                52
 02/29/2024   07:34:31   ( -70.01,-117.57) 02/29/2024   07:35:40  ( -70.04,-117.57)    3.44                69
 02/29/2024   08:25:15   (  69.89,  49.92) 02/29/2024   08:25:08  (  69.88,  49.86)    2.37                 7
 02/29/2024   09:15:53   ( -69.59,-142.32) 02/29/2024   09:14:40  ( -69.66,-142.81)   20.89                73
 03/02/2024   23:51:30   ( -69.99,  -1.78) 03/02/2024   23:52:11  ( -70.00,  -1.75)    2.04                41
 03/03/2024   00:42:14   (  69.87, 165.70) 03/03/2024   00:41:39  (  69.84, 165.67)    3.31                35
 03/05/2024   15:17:55   (  70.55, -54.22) 03/05/2024   15:19:04  (  70.42, -52.90)   50.96                69
 03/05/2024   16:08:27   ( -69.93, 114.07) 03/05/2024   16:08:41  ( -69.93, 114.03)    1.70                14
 03/05/2024   16:59:11   (  69.81, -78.45) 03/05/2024   16:58:08  (  69.82, -78.48)    1.62                63
 03/08/2024   07:34:44   (  70.03,  62.35) 03/08/2024   07:35:40  (  70.04,  62.42)    2.85                56
 03/08/2024   08:25:25   ( -69.87,-130.10) 03/08/2024   08:25:11  ( -69.88,-130.17)    2.82                14
 03/08/2024   09:15:57   (  69.13,  38.30) 03/08/2024   09:14:49  (  69.16,  36.51)   70.89                68
 03/10/2024   23:51:41   (  69.94, 178.25) 03/10/2024   23:52:10  (  69.96, 178.18)    3.19                29
 03/11/2024   00:42:23   ( -69.83, -14.28) 03/11/2024   00:41:40  ( -69.85, -14.33)    2.96                43