Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 5 19.  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)
 05/20/2024   14:52:35   (  70.12, -47.11) 05/20/2024   14:53:22  (  70.13, -47.18)    2.79                47
 05/20/2024   15:43:17   ( -70.04, 120.33) 05/20/2024   15:42:52  ( -70.01, 120.30)    2.80                25
 05/23/2024   07:09:26   (  70.12,  68.68) 05/23/2024   07:09:49  (  70.14,  68.72)    2.80                23
 05/23/2024   08:00:08   ( -70.04,-123.88) 05/23/2024   07:59:19  ( -70.03,-123.80)    3.08                49
 05/25/2024   22:35:35   ( -70.36,  16.79) 05/25/2024   22:36:47  ( -70.31,  17.21)   16.65                72
 05/25/2024   23:26:16   (  70.09,-175.48) 05/25/2024   23:26:16  (  70.09,-175.47)    0.52                 0
 05/26/2024   00:16:58   ( -70.01,  -8.03) 05/26/2024   00:15:46  ( -69.98,  -7.98)    3.23                72
 05/28/2024   14:52:20   ( -70.14, 132.93) 05/28/2024   14:53:14  ( -70.15, 132.86)    3.00                54
 05/28/2024   15:43:04   (  70.03, -59.58) 05/28/2024   15:42:41  (  70.03, -59.66)    2.97                23
 05/28/2024   16:33:31   ( -69.15, 109.02) 05/28/2024   16:32:24  ( -69.21, 106.86)   85.48                67
 05/31/2024   07:09:10   ( -70.15,-111.27) 05/31/2024   07:09:38  ( -70.14,-111.25)    0.80                28
 05/31/2024   07:59:54   (  70.03,  56.20) 05/31/2024   07:59:05  (  70.02,  56.22)    1.27                49