Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 3 18.  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)
 03/18/2024   23:01:22   (  70.77,-170.41) 03/18/2024   23:02:30  (  70.65,-168.47)   72.71                68
 03/18/2024   23:51:51   ( -70.00,  -1.86) 03/18/2024   23:52:10  ( -69.99,  -1.80)    2.60                19
 03/19/2024   00:42:34   (  69.83, 165.70) 03/19/2024   00:41:38  (  69.83, 165.62)    2.84                56
 03/21/2024   15:18:06   (  70.03, -53.47) 03/21/2024   15:19:10  (  70.01, -53.52)    2.78                64
 03/21/2024   16:08:48   ( -69.93, 113.99) 03/21/2024   16:08:39  ( -69.96, 114.03)    3.14                 9
 03/21/2024   16:59:24   (  69.40, -77.91) 03/21/2024   16:58:13  (  69.46, -79.00)   43.11                71
 03/24/2024   07:35:02   (  69.98,  62.37) 03/24/2024   07:35:37  (  70.01,  62.36)    3.32                35
 03/24/2024   08:25:44   ( -69.88,-130.16) 03/24/2024   08:25:07  ( -69.90,-130.16)    2.81                37
 03/26/2024   23:01:23   ( -70.46,  10.07) 03/26/2024   23:02:34  ( -70.32,  11.03)   39.14                71
 03/26/2024   23:51:59   (  69.94, 178.19) 03/26/2024   23:52:06  (  69.93, 178.12)    2.89                 7
 03/27/2024   00:42:41   ( -69.83, -14.33) 03/27/2024   00:41:36  ( -69.83, -14.39)    2.31                65
 03/29/2024   15:18:13   ( -70.06, 126.47) 03/29/2024   15:19:06  ( -70.05, 126.54)    2.49                53
 03/29/2024   16:08:56   (  69.91, -65.99) 03/29/2024   16:08:33  (  69.94, -65.98)    3.47                23