Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 1 26.  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)
 01/26/2024   23:26:03   ( -70.08,   4.41) 01/26/2024   23:27:15  ( -70.05,   4.54)    6.21                72
 01/27/2024   00:16:46   (  69.90, 171.98) 01/27/2024   00:16:43  (  69.89, 171.96)    1.59                 3
 01/27/2024   01:07:26   ( -69.72, -20.43) 01/27/2024   01:06:13  ( -69.77, -20.56)    7.97                73
 01/29/2024   15:42:53   ( -69.96, 120.38) 01/29/2024   15:43:42  ( -69.96, 120.30)    2.86                49
 01/29/2024   16:33:37   (  69.84, -72.13) 01/29/2024   16:33:09  (  69.85, -72.20)    3.00                28
 02/01/2024   07:09:18   (  70.83,  67.47) 02/01/2024   07:10:25  (  70.70,  69.65)   81.18                67
 02/01/2024   07:59:45   ( -69.96,-123.83) 02/01/2024   08:00:07  ( -69.93,-123.83)    2.50                22
 02/01/2024   08:50:29   (  69.84,  43.66) 02/01/2024   08:49:34  (  69.82,  43.66)    1.57                55
 02/03/2024   23:25:53   (  70.00,-175.42) 02/03/2024   23:27:01  (  69.98,-175.50)    3.21                68
 02/04/2024   00:16:35   ( -69.91,  -7.98) 02/04/2024   00:16:30  ( -69.93,  -7.94)    2.28                 5
 02/04/2024   01:07:13   (  69.48, 159.97) 02/04/2024   01:06:02  (  69.54, 159.17)   32.00                71
 02/06/2024   15:42:44   (  69.97, -59.59) 02/06/2024   15:43:24  (  69.99, -59.58)    2.89                40
 02/06/2024   16:33:26   ( -69.88, 107.86) 02/06/2024   16:32:54  ( -69.88, 107.90)    1.64                32