Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 2 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)
 02/18/2024   16:08:02   ( -69.99, 114.06) 02/18/2024   16:08:40  ( -69.98, 114.12)    2.75                38
 02/18/2024   16:58:46   (  69.86, -78.44) 02/18/2024   16:58:07  (  69.88, -78.37)    3.20                39
 02/21/2024   07:34:23   (  70.24,  62.11) 02/21/2024   07:35:34  (  70.16,  62.63)   21.62                71
 02/21/2024   08:25:01   ( -69.94,-130.11) 02/21/2024   08:25:06  ( -69.93,-130.06)    2.67                 5
 02/21/2024   09:15:45   (  69.82,  37.39) 02/21/2024   09:14:33  (  69.82,  37.44)    2.27                72
 02/23/2024   23:51:18   (  70.00, 178.23) 02/23/2024   23:52:01  (  70.00, 178.31)    2.82                43
 02/24/2024   00:41:59   ( -69.86, -14.23) 02/24/2024   00:41:31  ( -69.88, -14.22)    2.46                28
 02/26/2024   15:17:41   ( -70.59, 125.77) 02/26/2024   15:18:50  ( -70.46, 127.22)   55.92                69
 02/26/2024   16:08:14   (  69.90, -65.84) 02/26/2024   16:08:25  (  69.91, -65.92)    3.29                11
 02/26/2024   16:58:56   ( -69.80, 101.62) 02/26/2024   16:57:55  ( -69.80, 101.56)    2.31                61
 02/29/2024   07:34:28   ( -69.97,-117.51) 02/29/2024   07:35:21  ( -70.00,-117.54)    2.91                53
 02/29/2024   08:25:12   (  69.86,  49.97) 02/29/2024   08:24:48  (  69.89,  49.95)    2.75                24