Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 1 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)
 01/18/2024   23:26:11   (  70.00,-175.52) 01/18/2024   23:27:22  (  70.02,-175.51)    2.20                71
 01/19/2024   00:16:53   ( -69.92,  -8.08) 01/19/2024   00:16:52  ( -69.91,  -8.03)    2.43                 1
 01/19/2024   01:07:34   (  69.64, 159.65) 01/19/2024   01:06:21  (  69.69, 159.31)   14.22                73
 01/21/2024   15:43:03   (  70.01, -59.74) 01/21/2024   15:43:49  (  69.99, -59.67)    3.16                46
 01/21/2024   16:33:44   ( -69.87, 107.78) 01/21/2024   16:33:19  ( -69.88, 107.81)    1.82                25
 01/24/2024   07:59:54   (  69.92,  56.18) 01/24/2024   08:00:17  (  69.92,  56.12)    2.26                23
 01/24/2024   08:50:36   ( -69.83,-136.38) 01/24/2024   08:49:47  ( -69.82,-136.39)    1.85                49
 01/26/2024   23:26:04   ( -70.11,   4.35) 01/26/2024   23:27:15  ( -70.10,   4.61)   10.01                71
 01/27/2024   00:16:46   (  69.89, 172.00) 01/27/2024   00:16:44  (  69.87, 171.94)    3.13                 2
 01/27/2024   01:07:27   ( -69.76, -20.48) 01/27/2024   01:06:14  ( -69.77, -20.57)    3.80                73
 01/29/2024   15:42:54   ( -70.00, 120.32) 01/29/2024   15:43:42  ( -70.01, 120.38)    2.97                48
 01/29/2024   16:33:38   (  69.88, -72.20) 01/29/2024   16:33:09  (  69.89, -72.13)    2.86                29