Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 1 16.  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,  67.33) 01/16/2024   07:10:40  (  70.78,  69.72)   87.61                66
 01/16/2024   08:00:00   ( -69.94,-123.89) 01/16/2024   08:00:23  ( -69.95,-123.85)    1.92                23
 01/16/2024   08:50:44   (  69.82,  43.61) 01/16/2024   08:49:51  (  69.79,  43.57)    2.85                53
 01/18/2024   23:26:11   (  70.01,-175.53) 01/18/2024   23:27:22  (  70.02,-175.52)    0.81                71
 01/19/2024   00:16:53   ( -69.93,  -8.09) 01/19/2024   00:16:52  ( -69.91,  -8.04)    3.20                 1
 01/19/2024   01:07:34   (  69.65, 159.64) 01/19/2024   01:06:21  (  69.69, 159.30)   13.76                73
 01/21/2024   15:43:03   (  69.96, -59.67) 01/21/2024   15:43:50  (  69.98, -59.68)    2.36                47
 01/21/2024   16:33:45   ( -69.88, 107.77) 01/21/2024   16:33:20  ( -69.87, 107.80)    1.17                25
 01/24/2024   07:09:28   ( -70.98,-112.83) 01/24/2024   07:10:34  ( -70.89,-110.10)   99.70                66
 01/24/2024   07:59:54   (  69.92,  56.17) 01/24/2024   08:00:17  (  69.90,  56.10)    3.54                23
 01/24/2024   08:50:36   ( -69.84,-136.39) 01/24/2024   08:49:46  ( -69.85,-136.34)    2.37                50
 01/26/2024   23:26:04   ( -70.12,   4.34) 01/26/2024   23:27:15  ( -70.07,   4.57)   10.68                71
 01/27/2024   00:16:46   (  69.90, 171.98) 01/27/2024   00:16:43  (  69.90, 171.98)    0.67                 3
 01/27/2024   01:07:27   ( -69.76, -20.49) 01/27/2024   01:06:13  ( -69.79, -20.53)    3.72                74
 01/29/2024   15:42:53   ( -69.96, 120.38) 01/29/2024   15:43:42  ( -69.97, 120.33)    2.62                49
 01/29/2024   16:33:37   (  69.84, -72.14) 01/29/2024   16:33:09  (  69.85, -72.19)    2.17                28