Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 4 3.  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)
 04/05/2024   07:09:48   (  70.02,  68.63) 04/05/2024   07:10:23  (  70.02,  68.56)    2.63                35
 04/05/2024   08:00:30   ( -69.92,-123.90) 04/05/2024   07:59:53  ( -69.91,-123.96)    2.61                37
 04/07/2024   22:36:08   ( -70.53,  16.31) 04/07/2024   22:37:19  ( -70.43,  17.38)   41.19                71
 04/07/2024   23:26:44   (  70.00,-175.56) 04/07/2024   23:26:52  (  69.99,-175.61)    2.12                 8
 04/08/2024   00:17:26   ( -69.90,  -8.09) 04/08/2024   00:16:22  ( -69.88,  -8.12)    2.29                64
 04/10/2024   14:52:56   ( -70.09, 132.76) 04/10/2024   14:53:53  ( -70.09, 132.77)    0.63                57
 04/10/2024   15:43:40   (  69.99, -59.78) 04/10/2024   15:43:20  (  69.98, -59.74)    1.72                20
 04/10/2024   16:34:10   ( -69.25, 108.63) 04/10/2024   16:33:01  ( -69.27, 106.93)   66.74                69
 04/13/2024   07:09:50   ( -70.03,-111.38) 04/13/2024   07:10:20  ( -70.06,-111.39)    3.17                30
 04/13/2024   08:00:34   (  69.94,  56.08) 04/13/2024   07:59:47  (  69.95,  56.09)    1.24                47
 04/15/2024   22:36:05   (  70.20,-163.18) 04/15/2024   22:37:17  (  70.16,-163.01)    8.46                72
 04/15/2024   23:26:45   ( -69.99,   4.47) 04/15/2024   23:26:48  ( -70.00,   4.41)    2.81                 3
 04/16/2024   00:17:28   (  69.84, 172.00) 04/16/2024   00:16:15  (  69.88, 171.88)    6.56                73