Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2025 11 1.  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)
 11/02/2025   07:10:07   (  70.10,  68.79) 11/02/2025   07:11:03  (  70.10,  68.75)    2.03                56
 11/02/2025   08:00:48   ( -69.98,-123.71) 11/02/2025   08:00:33  ( -69.99,-123.78)    2.76                15
 11/02/2025   08:51:20   (  69.21,  44.73) 11/02/2025   08:50:12  (  69.23,  42.82)   75.14                68
 11/04/2025   23:26:57   (  70.09,-175.40) 11/04/2025   23:27:32  (  70.12,-175.36)    2.96                35
 11/05/2025   00:17:38   ( -69.97,  -7.90) 11/05/2025   00:17:03  ( -69.95,  -7.96)    3.21                35
 11/07/2025   14:53:15   ( -70.90, 131.79) 11/07/2025   14:54:22  ( -70.81, 133.90)   77.83                67
 11/07/2025   15:43:45   (  70.05, -59.54) 11/07/2025   15:44:01  (  70.04, -59.58)    1.65                16
 11/07/2025   16:34:26   ( -69.92, 107.97) 11/07/2025   16:33:31  ( -69.94, 107.91)    3.30                55
 11/10/2025   07:09:51   ( -70.18,-111.25) 11/10/2025   07:11:02  ( -70.17,-111.17)    3.40                71
 11/10/2025   08:00:34   (  70.01,  56.32) 11/10/2025   08:00:30  (  70.00,  56.24)    3.11                 4
 11/10/2025   08:51:14   ( -69.82,-136.08) 11/10/2025   08:50:01  ( -69.84,-136.35)   10.33                73
 11/12/2025   23:26:39   ( -70.09,   4.69) 11/12/2025   23:27:31  ( -70.10,   4.62)    2.60                52
 11/13/2025   00:17:23   (  69.98, 172.16) 11/13/2025   00:16:58  (  69.98, 172.10)    2.26                25