Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 1 15.  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)
 01/17/2024   15:17:58   (  70.74, -54.58) 01/17/2024   15:19:05  (  70.68, -52.48)   77.57                67
 01/17/2024   16:08:26   ( -69.93, 114.02) 01/17/2024   16:08:47  ( -69.91, 114.04)    2.09                21
 01/17/2024   16:59:10   (  69.80, -78.48) 01/17/2024   16:58:14  (  69.80, -78.46)    0.71                56
 01/20/2024   07:34:37   (  70.00,  62.37) 01/20/2024   07:35:45  (  70.00,  62.42)    1.89                68
 01/20/2024   08:25:18   ( -69.87,-130.11) 01/20/2024   08:25:15  ( -69.89,-130.10)    2.94                 3
 01/20/2024   09:15:58   (  69.53,  37.69) 01/20/2024   09:14:46  (  69.56,  37.09)   23.54                72
 01/22/2024   23:51:29   (  69.96, 178.22) 01/22/2024   23:52:13  (  69.94, 178.22)    2.04                44
 01/23/2024   00:42:10   ( -69.82, -14.26) 01/23/2024   00:41:43  ( -69.83, -14.29)    1.90                27
 01/25/2024   15:17:53   ( -70.89, 125.23) 01/25/2024   15:18:59  ( -70.77, 127.68)   90.46                66
 01/25/2024   16:08:21   (  69.93, -65.95) 01/25/2024   16:08:39  (  69.95, -65.88)    3.12                18
 01/25/2024   16:59:01   ( -69.79, 101.57) 01/25/2024   16:58:09  ( -69.79, 101.53)    1.95                52
 01/28/2024   07:34:27   ( -69.98,-117.54) 01/28/2024   07:35:38  ( -69.97,-117.60)    2.67                71
 01/28/2024   08:25:11   (  69.87,  49.93) 01/28/2024   08:25:05  (  69.85,  49.88)    2.83                 6
 01/28/2024   09:15:50   ( -69.62,-142.38) 01/28/2024   09:14:37  ( -69.63,-142.78)   15.60                73