Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2025 11 4.  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)    1.73                35
 11/05/2025   00:17:38   ( -69.98,  -7.92) 11/05/2025   00:17:02  ( -69.99,  -7.90)    1.30                36
 11/07/2025   14:53:15   ( -70.91, 131.77) 11/07/2025   14:54:22  ( -70.80, 133.88)   78.04                67
 11/07/2025   15:43:45   (  70.05, -59.55) 11/07/2025   15:44:01  (  70.03, -59.59)    2.63                16
 11/07/2025   16:34:26   ( -69.93, 107.96) 11/07/2025   16:33:31  ( -69.93, 107.89)    2.80                55
 11/10/2025   07:09:51   ( -70.18,-111.26) 11/10/2025   07:11:02  ( -70.16,-111.18)    4.13                71
 11/10/2025   08:00:35   (  70.06,  56.23) 11/10/2025   08:00:29  (  70.05,  56.31)    3.36                 6
 11/10/2025   08:51:14   ( -69.83,-136.09) 11/10/2025   08:50:00  ( -69.89,-136.28)    9.88                74
 11/12/2025   23:26:39   ( -70.09,   4.68) 11/12/2025   23:27:31  ( -70.09,   4.61)    2.71                52
 11/13/2025   00:17:23   (  69.98, 172.16) 11/13/2025   00:16:58  (  69.98, 172.10)    2.57                25
 11/13/2025   01:07:49   ( -69.04, -19.17) 11/13/2025   01:06:42  ( -69.10, -21.45)   90.83                67
 11/15/2025   15:43:29   ( -70.11, 120.45) 11/15/2025   15:43:58  ( -70.11, 120.52)    2.72                29
 11/15/2025   16:34:12   (  69.95, -72.00) 11/15/2025   16:33:26  (  69.94, -72.07)    3.07                46