Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 5 25.  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)
 05/27/2024   06:44:14   ( -70.20,-105.13) 05/27/2024   06:45:25  ( -70.20,-105.00)    5.01                71
 05/27/2024   07:34:56   (  70.02,  62.46) 05/27/2024   07:34:52  (  70.04,  62.41)    2.59                 4
 05/27/2024   08:25:36   ( -69.83,-129.94) 05/27/2024   08:24:23  ( -69.87,-130.19)   10.04                73
 05/29/2024   23:01:12   ( -70.15,  10.71) 05/29/2024   23:01:51  ( -70.13,  10.79)    3.55                39
 05/29/2024   23:51:56   (  70.02, 178.22) 05/29/2024   23:51:18  (  70.02, 178.28)    2.54                38
 06/01/2024   14:27:33   (  70.40, -41.24) 06/01/2024   14:28:45  (  70.30, -40.71)   22.80                72
 06/01/2024   15:18:10   ( -70.05, 126.61) 06/01/2024   15:18:17  ( -70.08, 126.60)    2.74                 7
 06/01/2024   16:08:55   (  69.98, -65.96) 06/01/2024   16:07:44  (  69.97, -65.91)    2.38                71
 06/04/2024   06:44:28   (  70.16,  74.89) 06/04/2024   06:45:12  (  70.15,  74.96)    3.35                44
 06/04/2024   07:35:09   ( -70.03,-117.58) 06/04/2024   07:34:42  ( -70.04,-117.56)    1.43                27
 06/06/2024   22:10:52   ( -70.74,  22.41) 06/06/2024   22:12:01  ( -70.67,  23.97)   58.08                69
 06/06/2024   23:01:25   (  70.10,-169.25) 06/06/2024   23:01:35  (  70.11,-169.19)    2.99                10
 06/06/2024   23:52:06   ( -69.96,  -1.72) 06/06/2024   23:51:06  ( -69.95,  -1.79)    2.57                60