Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 5 17.  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)
 05/17/2024   22:35:45   (  70.14,-162.94) 05/17/2024   22:36:54  (  70.16,-163.01)    3.39                69
 05/17/2024   23:26:27   ( -70.06,   4.50) 05/17/2024   23:26:24  ( -70.05,   4.47)    1.97                 3
 05/18/2024   00:17:06   (  69.67, 172.39) 05/18/2024   00:15:54  (  69.78, 171.74)   27.69                72
 05/20/2024   14:52:35   (  70.12, -47.11) 05/20/2024   14:53:22  (  70.14, -47.16)    3.16                47
 05/20/2024   15:43:17   ( -70.04, 120.33) 05/20/2024   15:42:52  ( -70.03, 120.32)    0.49                25
 05/23/2024   07:09:26   (  70.12,  68.68) 05/23/2024   07:09:50  (  70.13,  68.70)    1.50                24
 05/23/2024   08:00:08   ( -70.03,-123.87) 05/23/2024   07:59:20  ( -70.02,-123.82)    2.23                48
 05/25/2024   22:35:37   ( -70.45,  16.64) 05/25/2024   22:36:48  ( -70.34,  17.24)   25.54                71
 05/25/2024   23:26:16   (  70.08,-175.46) 05/25/2024   23:26:18  (  70.06,-175.52)    2.91                 2
 05/26/2024   00:16:58   ( -69.99,  -8.01) 05/26/2024   00:15:47  ( -70.01,  -7.95)    3.05                71
 05/28/2024   14:52:22   ( -70.17, 132.89) 05/28/2024   14:53:17  ( -70.17, 132.87)    0.65                55
 05/28/2024   15:43:06   (  70.06, -59.63) 05/28/2024   15:42:44  (  70.05, -59.65)    1.22                22