Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 2 19.  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)
 02/21/2024   07:34:22   (  70.20,  62.18) 02/21/2024   07:35:34  (  70.13,  62.59)   17.60                72
 02/21/2024   08:25:00   ( -69.91,-130.06) 02/21/2024   08:25:06  ( -69.90,-130.10)    2.01                 6
 02/21/2024   09:15:44   (  69.78,  37.44) 02/21/2024   09:14:33  (  69.80,  37.40)    2.81                71
 02/23/2024   23:51:18   (  69.99, 178.25) 02/23/2024   23:52:01  (  69.98, 178.28)    1.81                43
 02/24/2024   00:41:59   ( -69.85, -14.22) 02/24/2024   00:41:31  ( -69.86, -14.25)    1.47                28
 02/26/2024   15:17:42   ( -70.55, 125.82) 02/26/2024   15:18:51  ( -70.45, 127.21)   52.63                69
 02/26/2024   16:08:16   (  69.91, -65.86) 02/26/2024   16:08:26  (  69.91, -65.93)    2.39                10
 02/26/2024   16:58:58   ( -69.82, 101.59) 02/26/2024   16:57:56  ( -69.79, 101.55)    3.13                62
 02/29/2024   07:34:31   ( -70.00,-117.55) 02/29/2024   07:35:22  ( -70.01,-117.52)    2.02                51
 02/29/2024   08:25:15   (  69.88,  49.93) 02/29/2024   08:24:49  (  69.90,  49.97)    2.72                26
 02/29/2024   09:15:41   ( -68.94,-141.40) 02/29/2024   09:14:34  ( -68.96,-143.65)   89.94                67
 03/02/2024   23:00:57   (  70.61,-170.07) 03/02/2024   23:02:06  (  70.52,-168.51)   58.43                69
 03/02/2024   23:51:28   ( -69.93,  -1.69) 03/02/2024   23:51:45  ( -69.92,  -1.75)    2.71                17
 03/03/2024   00:42:12   (  69.82, 165.78) 03/03/2024   00:41:12  (  69.80, 165.73)    2.52                60