Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2024 12 19.  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   11:51:35   ( -71.41, 176.59) 12/21/2024   11:50:28  ( -71.43, 173.95)   93.50                67
 12/21/2024   12:42:30   (  71.90, -16.98) 12/21/2024   12:41:18  (  71.89, -17.93)   32.67                72
 12/21/2024   13:33:19   ( -72.14, 149.87) 12/21/2024   13:32:11  ( -72.14, 149.83)    1.27                68
 12/21/2024   14:24:05   (  72.16, -42.86) 12/21/2024   14:23:10  (  72.15, -42.90)    2.46                55
 12/21/2024   15:14:50   ( -72.20, 124.38) 12/21/2024   15:14:07  ( -72.20, 124.46)    2.72                43
 12/21/2024   16:05:35   (  72.17, -68.26) 12/21/2024   16:05:06  (  72.20, -68.28)    2.93                29
 12/21/2024   16:56:20   ( -72.21,  98.98) 12/21/2024   16:56:04  ( -72.20,  98.98)    1.48                16
 12/21/2024   17:47:06   (  72.24, -93.75) 12/21/2024   17:47:02  (  72.25, -93.66)    3.50                 4
 12/21/2024   18:37:50   ( -72.22,  73.59) 12/21/2024   18:38:00  ( -72.25,  73.60)    3.38                10
 12/21/2024   19:28:36   (  72.25,-119.14) 12/21/2024   19:28:59  (  72.26,-119.14)    0.98                23
 12/21/2024   20:19:21   ( -72.28,  48.10) 12/21/2024   20:19:57  ( -72.26,  48.12)    3.16                36
 12/21/2024   21:10:06   (  72.26,-144.54) 12/21/2024   21:10:56  (  72.26,-144.62)    2.91                50
 12/21/2024   22:00:51   ( -72.29,  22.70) 12/21/2024   22:01:53  ( -72.31,  22.74)    2.22                62
 12/21/2024   22:51:38   (  72.37,-170.13) 12/21/2024   22:52:52  (  72.31,-170.00)    7.89                74
 12/21/2024   23:42:31   ( -72.81,  -3.72) 12/21/2024   23:43:40  ( -72.81,  -1.68)   66.92                69