Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 4 28.  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)
 04/29/2024   06:19:21   (  70.91,  79.94) 04/29/2024   06:20:28  (  70.83,  82.10)   79.43                67
 04/29/2024   07:09:49   ( -70.09,-111.42) 04/29/2024   07:10:10  ( -70.06,-111.40)    2.96                21
 04/29/2024   08:00:33   (  69.97,  56.06) 04/29/2024   07:59:37  (  69.96,  56.10)    2.41                56
 05/01/2024   22:36:00   (  70.15,-163.05) 05/01/2024   22:37:06  (  70.14,-163.04)    1.71                66
 05/01/2024   23:26:41   ( -70.00,   4.49) 05/01/2024   23:26:36  ( -70.02,   4.43)    2.85                 5
 05/02/2024   00:17:19   (  69.58, 172.43) 05/02/2024   00:16:08  (  69.64, 171.55)   35.06                71
 05/04/2024   14:52:52   (  70.09, -47.17) 05/04/2024   14:53:31  (  70.09, -47.21)    1.34                39
 05/04/2024   15:43:34   ( -69.99, 120.29) 05/04/2024   15:43:01  ( -69.98, 120.27)    1.61                33
 05/07/2024   06:19:10   ( -70.73, -99.71) 05/07/2024   06:20:19  ( -70.60, -98.22)   56.75                69
 05/07/2024   07:09:43   (  70.05,  68.68) 05/07/2024   07:09:54  (  70.05,  68.63)    2.01                11
 05/07/2024   08:00:25   ( -69.95,-123.86) 05/07/2024   07:59:24  ( -69.94,-123.90)    1.86                61
 05/09/2024   22:35:51   ( -70.13,  17.04) 05/09/2024   22:36:50  ( -70.12,  16.98)    2.20                59
 05/09/2024   23:26:35   (  70.02,-175.50) 05/09/2024   23:26:17  (  70.00,-175.54)    2.73                18