Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 8 14.  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)
 08/15/2024   05:54:53   (  70.52,  86.93) 08/15/2024   05:56:04  (  70.44,  87.83)   34.60                71
 08/15/2024   06:45:29   ( -70.10,-105.09) 08/15/2024   06:45:38  ( -70.10,-105.02)    2.71                 9
 08/15/2024   07:36:12   (  69.95,  62.45) 08/15/2024   07:35:06  (  69.94,  62.40)    2.15                66
 08/17/2024   22:11:41   (  70.17,-156.73) 08/17/2024   22:12:36  (  70.18,-156.65)    3.19                55
 08/17/2024   23:02:23   ( -70.06,  10.75) 08/17/2024   23:02:06  ( -70.07,  10.82)    2.88                17
 08/17/2024   23:52:53   (  69.22, 179.30) 08/17/2024   23:51:45  (  69.30, 177.41)   74.79                68
 08/20/2024   14:28:34   (  70.11, -40.85) 08/20/2024   14:29:03  (  70.09, -40.88)    1.84                29
 08/20/2024   15:19:16   ( -70.00, 126.63) 08/20/2024   15:18:33  ( -69.98, 126.60)    2.09                43
 08/23/2024   05:54:47   ( -70.37, -92.80) 08/23/2024   05:55:58  ( -70.29, -92.33)   19.85                71
 08/23/2024   06:45:27   (  70.07,  74.99) 08/23/2024   06:45:27  (  70.06,  74.99)    1.02                 0
 08/23/2024   07:36:09   ( -69.96,-117.53) 08/23/2024   07:34:57  ( -69.95,-117.53)    0.96                72
 08/25/2024   22:11:35   ( -70.15,  23.33) 08/25/2024   22:12:21  ( -70.15,  23.39)    2.12                46
 08/25/2024   23:02:18   (  70.01,-169.13) 08/25/2024   23:01:48  (  70.03,-169.13)    2.56                30