Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 1 21.  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)
 01/22/2024   23:51:28   (  69.94, 178.26) 01/22/2024   23:52:13  (  69.93, 178.20)    2.31                45
 01/23/2024   00:42:10   ( -69.86, -14.31) 01/23/2024   00:41:42  ( -69.87, -14.25)    2.59                28
 01/25/2024   15:17:52   ( -70.86, 125.26) 01/25/2024   15:18:59  ( -70.76, 127.67)   88.54                67
 01/25/2024   16:08:20   (  69.90, -65.91) 01/25/2024   16:08:40  (  69.89, -65.96)    2.26                20
 01/25/2024   16:59:02   ( -69.82, 101.53) 01/25/2024   16:58:09  ( -69.84, 101.59)    2.89                53
 01/28/2024   07:34:28   ( -70.00,-117.58) 01/28/2024   07:35:39  ( -69.98,-117.59)    2.24                71
 01/28/2024   08:25:12   (  69.88,  49.90) 01/28/2024   08:25:06  (  69.87,  49.90)    1.35                 6
 01/28/2024   09:15:51   ( -69.64,-142.42) 01/28/2024   09:14:37  ( -69.71,-142.69)   12.63                74
 01/30/2024   23:51:19   ( -69.94,  -1.70) 01/30/2024   23:52:05  ( -69.93,  -1.77)    3.02                46
 01/31/2024   00:42:03   (  69.82, 165.78) 01/31/2024   00:41:32  (  69.81, 165.72)    2.73                31
 02/02/2024   15:17:40   (  70.66, -54.37) 02/02/2024   15:18:48  (  70.60, -52.53)   67.98                68
 02/02/2024   16:08:10   ( -69.94, 114.08) 02/02/2024   16:08:28  ( -69.94, 114.15)    2.53                18
 02/02/2024   16:58:54   (  69.83, -78.44) 02/02/2024   16:57:55  (  69.82, -78.37)    2.87                59