Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 1 5.  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   (  69.92, 178.23) 01/06/2024   23:52:13  (  69.90, 178.18)    2.39                34
 01/07/2024   00:42:21   ( -69.84, -14.33) 01/07/2024   00:41:42  ( -69.84, -14.27)    2.62                39
 01/09/2024   15:17:55   ( -70.40, 125.95) 01/09/2024   15:19:06  ( -70.28, 126.97)   40.51                71
 01/09/2024   16:08:32   (  69.92, -65.99) 01/09/2024   16:08:38  (  69.90, -65.93)    2.94                 6
 01/09/2024   16:59:13   ( -69.78, 101.53) 01/09/2024   16:58:08  ( -69.79, 101.55)    1.30                65
 01/12/2024   07:34:41   ( -69.99,-117.63) 01/12/2024   07:35:37  ( -69.99,-117.56)    2.53                56
 01/12/2024   08:25:25   (  69.87,  49.86) 01/12/2024   08:25:04  (  69.88,  49.93)    2.93                21
 01/12/2024   09:15:54   ( -69.09,-141.70) 01/12/2024   09:14:45  ( -69.16,-143.40)   67.53                69
 01/14/2024   23:51:34   ( -69.94,  -1.78) 01/14/2024   23:52:03  ( -69.94,  -1.73)    2.16                29
 01/15/2024   00:42:18   (  69.83, 165.70) 01/15/2024   00:41:30  (  69.83, 165.76)    2.42                48
 01/17/2024   15:17:47   (  70.11, -53.57) 01/17/2024   15:18:58  (  70.04, -53.33)   11.84                71
 01/17/2024   16:08:26   ( -69.86, 114.13) 01/17/2024   16:08:29  ( -69.88, 114.08)    2.84                 3
 01/17/2024   16:59:09   (  69.69, -78.32) 01/17/2024   16:57:57  (  69.70, -78.51)    7.75                72