Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 3 24.  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)
 03/25/2024   14:52:47   ( -70.10, 132.75) 03/25/2024   14:53:57  ( -70.07, 132.77)    3.25                70
 03/25/2024   15:43:31   (  69.99, -59.77) 03/25/2024   15:43:24  (  69.97, -59.73)    2.60                 7
 03/25/2024   16:34:09   ( -69.68, 108.01) 03/25/2024   16:32:56  ( -69.74, 107.59)   17.57                73
 03/28/2024   07:09:43   ( -70.03,-111.37) 03/28/2024   07:10:22  ( -70.03,-111.40)    1.18                39
 03/28/2024   08:00:27   (  69.92,  56.10) 03/28/2024   07:59:49  (  69.92,  56.10)    0.32                38
 03/30/2024   22:36:02   (  70.34,-163.40) 03/30/2024   22:37:13  (  70.26,-162.80)   24.19                71
 03/30/2024   23:26:39   ( -69.97,   4.49) 03/30/2024   23:26:46  ( -69.98,   4.44)    2.15                 7
 03/31/2024   00:17:22   (  69.87, 171.95) 03/31/2024   00:16:12  (  69.87, 171.93)    1.00                70
 04/02/2024   14:52:52   (  70.04, -47.16) 04/02/2024   14:53:38  (  70.05, -47.20)    1.70                46
 04/02/2024   15:43:34   ( -69.93, 120.32) 04/02/2024   15:43:08  ( -69.94, 120.28)    1.66                26
 04/05/2024   06:19:15   ( -70.69, -99.73) 04/05/2024   06:20:24  ( -70.61, -98.12)   59.95                69
 04/05/2024   07:09:48   (  70.02,  68.64) 04/05/2024   07:10:00  (  70.00,  68.64)    1.99                12
 04/05/2024   08:00:30   ( -69.91,-123.88) 04/05/2024   07:59:30  ( -69.89,-123.88)    1.47                60