Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 1 14.  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)
 01/16/2024   07:09:34   (  70.86,  67.34) 01/16/2024   07:10:40  (  70.78,  69.73)   87.67                66
 01/16/2024   08:00:00   ( -69.94,-123.88) 01/16/2024   08:00:23  ( -69.96,-123.84)    3.10                23
 01/16/2024   08:50:44   (  69.81,  43.61) 01/16/2024   08:49:51  (  69.80,  43.58)    2.10                53
 01/18/2024   23:26:11   (  70.00,-175.52) 01/18/2024   23:27:22  (  70.02,-175.51)    2.45                71
 01/19/2024   00:16:53   ( -69.92,  -8.08) 01/19/2024   00:16:52  ( -69.92,  -8.02)    2.10                 1
 01/19/2024   01:07:34   (  69.64, 159.65) 01/19/2024   01:06:21  (  69.70, 159.32)   14.20                73
 01/21/2024   15:43:03   (  70.00, -59.73) 01/21/2024   15:43:49  (  70.00, -59.66)    2.84                46
 01/21/2024   16:33:44   ( -69.86, 107.79) 01/21/2024   16:33:19  ( -69.89, 107.82)    3.23                25
 01/24/2024   07:59:54   (  69.91,  56.19) 01/24/2024   08:00:17  (  69.93,  56.13)    3.39                23
 01/24/2024   08:50:36   ( -69.82,-136.36) 01/24/2024   08:49:47  ( -69.82,-136.38)    1.02                49
 01/26/2024   23:26:04   ( -70.09,   4.38) 01/26/2024   23:27:16  ( -70.05,   4.55)    7.87                72
 01/27/2024   00:16:46   (  69.88, 172.02) 01/27/2024   00:16:44  (  69.88, 171.95)    2.81                 2
 01/27/2024   01:07:27   ( -69.73, -20.45) 01/27/2024   01:06:14  ( -69.78, -20.56)    6.25                73