Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 8 27.  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)
 08/28/2024   14:28:29   ( -70.15, 139.13) 08/28/2024   14:29:20  ( -70.14, 139.13)    0.76                51
 08/28/2024   15:19:13   (  70.04, -53.40) 08/28/2024   15:18:47  (  70.04, -53.37)    1.19                26
 08/28/2024   16:09:38   ( -69.05, 115.37) 08/28/2024   16:08:32  ( -69.10, 112.99)   94.62                66
 08/31/2024   06:45:22   ( -70.14,-105.07) 08/31/2024   06:45:49  ( -70.12,-105.01)    2.83                27
 08/31/2024   07:36:05   (  69.98,  62.48) 08/31/2024   07:35:17  (  69.96,  62.41)    3.36                48
 09/02/2024   22:11:35   (  70.35,-156.93) 09/02/2024   22:12:46  (  70.27,-156.54)   17.00                71
 09/02/2024   23:02:14   ( -70.09,  10.79) 09/02/2024   23:02:17  ( -70.11,  10.86)    3.42                 3
 09/02/2024   23:52:57   (  69.94, 178.33) 09/02/2024   23:51:45  (  69.95, 178.27)    2.54                72
 09/05/2024   14:28:24   (  70.16, -40.85) 09/05/2024   14:29:15  (  70.15, -40.82)    1.52                51
 09/05/2024   15:19:06   ( -70.06, 126.63) 09/05/2024   15:18:45  ( -70.04, 126.66)    2.19                21
 09/05/2024   16:09:32   (  69.05, -64.60) 09/05/2024   16:08:26  (  69.10, -66.97)   94.23                66
 09/08/2024   06:45:14   (  70.09,  75.05) 09/08/2024   06:45:41  (  70.09,  74.99)    2.53                27
 09/08/2024   07:35:56   ( -69.99,-117.48) 09/08/2024   07:35:11  ( -69.98,-117.53)    2.22                45