Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 1 6.  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)
 01/06/2024   23:51:39   (  69.93, 178.22) 01/06/2024   23:52:12  (  69.95, 178.25)    3.16                33
 01/07/2024   00:42:21   ( -69.84, -14.34) 01/07/2024   00:41:42  ( -69.83, -14.28)    2.64                39
 01/09/2024   15:17:55   ( -70.41, 125.94) 01/09/2024   15:19:05  ( -70.32, 127.03)   41.92                70
 01/09/2024   16:08:31   (  69.87, -65.92) 01/09/2024   16:08:38  (  69.89, -65.94)    2.56                 7
 01/09/2024   16:59:13   ( -69.79, 101.52) 01/09/2024   16:58:08  ( -69.78, 101.53)    1.10                65
 01/12/2024   07:34:41   ( -69.99,-117.63) 01/12/2024   07:35:37  ( -69.97,-117.58)    3.13                56
 01/12/2024   08:25:25   (  69.87,  49.85) 01/12/2024   08:25:04  (  69.86,  49.91)    2.57                21
 01/12/2024   09:15:54   ( -69.10,-141.71) 01/12/2024   09:14:45  ( -69.14,-143.42)   67.92                69
 01/14/2024   23:51:33   ( -69.90,  -1.71) 01/14/2024   23:52:03  ( -69.92,  -1.76)    3.14                30
 01/15/2024   00:42:18   (  69.83, 165.69) 01/15/2024   00:41:30  (  69.80, 165.73)    3.21                48
 01/17/2024   15:17:46   (  70.05, -53.49) 01/17/2024   15:18:58  (  70.00, -53.37)    7.11                72
 01/17/2024   16:08:27   ( -69.91, 114.04) 01/17/2024   16:08:28  ( -69.90, 114.11)    3.00                 1
 01/17/2024   16:59:09   (  69.69, -78.32) 01/17/2024   16:57:56  (  69.73, -78.48)    7.36                73