Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2024 12 17.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-21) NOAA-21 Lat/Lon Date Time(NOAA-19) NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 12/21/2024   11:51:36   ( -71.43, 176.55) 12/21/2024   11:50:29  ( -71.41, 173.91)   93.70                67
 12/21/2024   12:42:31   (  71.92, -17.03) 12/21/2024   12:41:18  (  71.92, -17.88)   29.35                73
 12/21/2024   13:33:20   ( -72.16, 149.83) 12/21/2024   13:32:11  ( -72.17, 149.89)    2.11                69
 12/21/2024   14:24:06   (  72.19, -42.91) 12/21/2024   14:23:10  (  72.17, -42.85)    2.64                56
 12/21/2024   15:14:50   ( -72.17, 124.44) 12/21/2024   15:14:08  ( -72.17, 124.41)    0.93                42
 12/21/2024   16:05:36   (  72.20, -68.30) 12/21/2024   16:05:07  (  72.17, -68.33)    2.95                29
 12/21/2024   16:56:21   ( -72.23,  98.94) 12/21/2024   16:56:04  ( -72.23,  99.03)    3.12                17
 12/21/2024   17:47:06   (  72.21, -93.70) 12/21/2024   17:47:03  (  72.23, -93.71)    2.09                 3
 12/21/2024   18:37:51   ( -72.24,  73.55) 12/21/2024   18:38:01  ( -72.23,  73.55)    1.67                10
 12/21/2024   19:28:37   (  72.27,-119.19) 12/21/2024   19:28:59  (  72.28,-119.09)    3.52                22
 12/21/2024   20:19:21   ( -72.25,  48.16) 12/21/2024   20:19:57  ( -72.28,  48.18)    3.20                36
 12/21/2024   21:10:07   (  72.28,-144.58) 12/21/2024   21:10:56  (  72.28,-144.57)    0.46                49
 12/21/2024   22:00:51   ( -72.27,  22.76) 12/21/2024   22:01:54  ( -72.29,  22.70)    3.25                63
 12/21/2024   22:51:39   (  72.39,-170.18) 12/21/2024   22:52:52  (  72.34,-169.95)   10.10                73
 12/21/2024   23:42:32   ( -72.83,  -3.76) 12/21/2024   23:43:41  ( -72.79,  -1.73)   66.90                69