Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 3 31.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-21) NOAA-21 Lat/Lon Date Time(LANDSAT-8) LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 04/02/2024   14:52:53   (  70.07, -47.21) 04/02/2024   14:53:54  (  70.05, -47.27)    3.11                61
 04/02/2024   15:43:35   ( -69.97, 120.26) 04/02/2024   15:43:23  ( -70.00, 120.29)    2.75                12
 04/02/2024   16:34:09   (  69.33, -71.50) 04/02/2024   16:32:59  (  69.39, -72.89)   54.91                70
 04/05/2024   07:09:48   (  70.06,  68.58) 04/05/2024   07:10:21  (  70.07,  68.64)    2.82                33
 04/05/2024   08:00:30   ( -69.95,-123.94) 04/05/2024   07:59:51  ( -69.97,-123.88)    2.79                39
 04/07/2024   22:36:07   ( -70.52,  16.31) 04/07/2024   22:37:17  ( -70.44,  17.40)   41.54                70
 04/07/2024   23:26:43   (  70.01,-175.57) 04/07/2024   23:26:50  (  70.00,-175.59)    1.33                 7
 04/08/2024   00:17:25   ( -69.90,  -8.09) 04/08/2024   00:16:20  ( -69.89,  -8.10)    0.98                65
 04/10/2024   14:52:55   ( -70.12, 132.73) 04/10/2024   14:53:50  ( -70.10, 132.80)    3.25                55
 04/10/2024   15:43:38   (  69.97, -59.74) 04/10/2024   15:43:17  (  69.99, -59.72)    2.05                21
 04/10/2024   16:34:07   ( -69.17, 108.74) 04/10/2024   16:32:59  ( -69.22, 106.88)   73.73                68
 04/13/2024   07:09:49   ( -70.04,-111.38) 04/13/2024   07:10:17  ( -70.05,-111.39)    1.18                28
 04/13/2024   08:00:33   (  69.95,  56.07) 04/13/2024   07:59:44  (  69.93,  56.09)    1.91                49