Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 4 15.  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)
 04/15/2024   22:36:06   (  70.25,-163.26) 04/15/2024   22:37:17  (  70.18,-162.98)   13.04                71
 04/15/2024   23:26:45   ( -69.99,   4.45) 04/15/2024   23:26:48  ( -70.01,   4.41)    2.44                 3
 04/16/2024   00:17:28   (  69.83, 172.01) 04/16/2024   00:16:16  (  69.85, 171.84)    6.84                72
 04/18/2024   14:52:58   (  70.06, -47.19) 04/18/2024   14:53:45  (  70.08, -47.24)    3.09                47
 04/18/2024   15:43:40   ( -69.96, 120.28) 04/18/2024   15:43:15  ( -69.97, 120.24)    1.96                25
 04/21/2024   06:19:25   ( -70.98,-100.20) 04/21/2024   06:20:31  ( -70.88, -97.82)   87.29                66
 04/21/2024   07:09:53   (  70.04,  68.62) 04/21/2024   07:10:11  (  70.06,  68.61)    1.76                18
 04/21/2024   08:00:35   ( -69.94,-123.91) 04/21/2024   07:59:41  ( -69.95,-123.90)    1.14                54
 04/23/2024   22:36:04   ( -70.13,  16.94) 04/23/2024   22:37:10  ( -70.11,  16.93)    2.92                66
 04/23/2024   23:26:47   (  69.98,-175.52) 04/23/2024   23:26:37  (  69.99,-175.59)    2.97                10
 04/24/2024   00:17:23   ( -69.56,  -7.57) 04/24/2024   00:16:12  ( -69.61,  -8.48)   35.54                71
 04/26/2024   14:52:57   ( -70.09, 132.79) 04/26/2024   14:53:34  ( -70.06, 132.76)    2.51                37
 04/26/2024   15:43:41   (  69.99, -59.75) 04/26/2024   15:43:00  (  70.00, -59.68)    2.94                41