Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 1 16.  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   (  70.75, -54.58) 01/17/2024   15:19:05  (  70.68, -52.48)   77.78                67
 01/17/2024   16:08:26   ( -69.93, 114.02) 01/17/2024   16:08:47  ( -69.91, 114.04)    2.72                21
 01/17/2024   16:59:10   (  69.81, -78.49) 01/17/2024   16:58:14  (  69.80, -78.46)    0.94                56
 01/20/2024   07:34:37   (  70.01,  62.37) 01/20/2024   07:35:45  (  70.01,  62.43)    2.54                68
 01/20/2024   08:25:18   ( -69.87,-130.11) 01/20/2024   08:25:15  ( -69.90,-130.09)    3.33                 3
 01/20/2024   09:15:58   (  69.54,  37.69) 01/20/2024   09:14:46  (  69.57,  37.10)   23.09                72
 01/22/2024   23:51:29   (  69.96, 178.22) 01/22/2024   23:52:13  (  69.96, 178.25)    1.23                44
 01/23/2024   00:42:10   ( -69.83, -14.26) 01/23/2024   00:41:43  ( -69.85, -14.27)    2.84                27
 01/25/2024   15:17:53   ( -70.89, 125.22) 01/25/2024   15:18:59  ( -70.80, 127.72)   91.86                66
 01/25/2024   16:08:21   (  69.94, -65.96) 01/25/2024   16:08:40  (  69.92, -65.91)    2.04                19
 01/25/2024   16:59:02   ( -69.80, 101.57) 01/25/2024   16:58:10  ( -69.82, 101.57)    2.28                52
 01/28/2024   07:34:27   ( -69.98,-117.55) 01/28/2024   07:35:39  ( -69.96,-117.62)    3.47                72
 01/28/2024   08:25:11   (  69.87,  49.93) 01/28/2024   08:25:06  (  69.84,  49.87)    3.53                 5
 01/28/2024   09:15:50   ( -69.62,-142.39) 01/28/2024   09:14:37  ( -69.68,-142.72)   14.55                73