Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2025 11 2.  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)
 11/04/2025   23:26:57   (  70.10,-175.42) 11/04/2025   23:27:32  (  70.11,-175.37)    1.91                35
 11/05/2025   00:17:38   ( -69.98,  -7.92) 11/05/2025   00:17:02  ( -70.00,  -7.89)    1.94                36
 11/07/2025   14:53:16   ( -70.91, 131.78) 11/07/2025   14:54:23  ( -70.80, 133.89)   78.11                67
 11/07/2025   15:43:45   (  70.05, -59.55) 11/07/2025   15:44:01  (  70.04, -59.59)    2.11                16
 11/07/2025   16:34:26   ( -69.93, 107.96) 11/07/2025   16:33:31  ( -69.93, 107.90)    2.63                55
 11/10/2025   07:09:51   ( -70.18,-111.26) 11/10/2025   07:11:02  ( -70.17,-111.17)    3.74                71
 11/10/2025   08:00:34   (  70.01,  56.31) 11/10/2025   08:00:30  (  70.00,  56.24)    3.09                 4
 11/10/2025   08:51:14   ( -69.83,-136.09) 11/10/2025   08:50:01  ( -69.84,-136.35)   10.11                73
 11/12/2025   23:26:39   ( -70.09,   4.69) 11/12/2025   23:27:31  ( -70.10,   4.63)    2.74                52
 11/13/2025   00:17:23   (  69.98, 172.16) 11/13/2025   00:16:58  (  69.99, 172.11)    2.37                25
 11/13/2025   01:07:49   ( -69.04, -19.17) 11/13/2025   01:06:42  ( -69.11, -21.44)   90.44                67
 11/15/2025   15:43:28   ( -70.05, 120.53) 11/15/2025   15:43:59  ( -70.07, 120.46)    2.98                31
 11/15/2025   16:34:12   (  69.95, -72.00) 11/15/2025   16:33:26  (  69.95, -72.06)    2.18                46