Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 6 13.  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)
 06/13/2024   14:02:37   (  70.76, -35.54) 06/13/2024   14:03:45  (  70.66, -33.89)   61.63                68
 06/13/2024   14:53:07   ( -70.06, 132.90) 06/13/2024   14:53:24  ( -70.05, 132.86)    1.70                17
 06/13/2024   15:43:52   (  69.97, -59.66) 06/13/2024   15:42:51  (  69.95, -59.64)    2.51                61
 06/16/2024   06:19:23   (  70.14,  81.22) 06/16/2024   06:20:26  (  70.14,  81.22)    0.46                63
 06/16/2024   07:10:04   ( -70.01,-111.27) 06/16/2024   07:09:56  ( -70.03,-111.30)    2.43                 8
 06/16/2024   08:00:40   (  69.45,  56.87) 06/16/2024   07:59:30  (  69.54,  55.66)   48.02                70
 06/18/2024   22:36:21   (  70.11,-162.97) 06/18/2024   22:36:59  (  70.09,-162.98)    2.51                38
 06/18/2024   23:27:02   ( -69.97,   4.55) 06/18/2024   23:26:29  ( -69.98,   4.50)    2.15                33
 06/21/2024   14:02:46   ( -70.78, 144.41) 06/21/2024   14:03:55  ( -70.66, 146.09)   63.34                69
 06/21/2024   14:53:19   (  70.08, -47.17) 06/21/2024   14:53:31  (  70.06, -47.14)    2.41                12
 06/21/2024   15:44:00   ( -69.95, 120.36) 06/21/2024   15:43:01  ( -69.96, 120.35)    1.64                59
 06/24/2024   06:19:32   ( -70.14, -98.79) 06/24/2024   06:20:36  ( -70.13, -98.82)    1.45                64
 06/24/2024   07:10:16   (  70.02,  68.70) 06/24/2024   07:10:03  (  70.02,  68.67)    1.17                13
 06/24/2024   08:00:50   ( -69.51,-123.22) 06/24/2024   07:59:39  ( -69.59,-124.29)   42.51                71
 06/26/2024   22:36:29   ( -70.13,  16.98) 06/26/2024   22:37:06  ( -70.11,  17.04)    2.89                37
 06/26/2024   23:27:13   (  70.01,-175.53) 06/26/2024   23:26:33  (  70.00,-175.48)    2.53                40