Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 2 11.  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)
 02/11/2024   23:26:00   ( -70.97,   3.07) 02/11/2024   23:27:06  ( -70.91,   5.76)   97.74                66
 02/12/2024   00:16:27   (  69.96, 171.99) 02/12/2024   00:16:49  (  69.93, 171.97)    3.23                22
 02/12/2024   01:07:08   ( -69.83, -20.49) 02/12/2024   01:06:19  ( -69.82, -20.56)    2.95                49
 02/14/2024   15:42:36   ( -70.19, 120.13) 02/14/2024   15:43:48  ( -70.12, 120.47)   14.67                72
 02/14/2024   16:33:17   (  69.91, -72.14) 02/14/2024   16:33:17  (  69.90, -72.19)    2.07                 0
 02/14/2024   17:23:59   ( -69.83,  95.30) 02/14/2024   17:22:46  ( -69.85,  95.36)    3.04                73
 02/17/2024   07:59:22   ( -69.99,-123.77) 02/17/2024   08:00:16  ( -69.99,-123.83)    2.10                54
 02/17/2024   08:50:06   (  69.88,  43.71) 02/17/2024   08:49:43  (  69.88,  43.67)    1.80                23
 02/17/2024   09:40:33   ( -69.00,-147.71) 02/17/2024   09:39:26  ( -69.06,-149.81)   83.77                67
 02/20/2024   00:16:12   ( -69.97,  -7.94) 02/20/2024   00:16:42  ( -69.98,  -7.95)    1.76                30
 02/20/2024   01:06:56   (  69.86, 159.53) 02/20/2024   01:06:09  (  69.87, 159.54)    1.61                47
 02/22/2024   15:42:24   (  70.26, -59.92) 02/22/2024   15:43:35  (  70.20, -59.39)   21.27                71
 02/22/2024   16:33:02   ( -69.96, 107.87) 02/22/2024   16:33:07  ( -69.98, 107.94)    3.46                 5
 02/22/2024   17:23:45   (  69.80, -84.58) 02/22/2024   17:22:35  (  69.81, -84.65)    2.85                70