Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2023 11 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)
 12/02/2023   15:31:48   ( -73.95, 115.80) 12/02/2023   15:30:35  ( -73.94, 114.74)   32.37                73
 12/02/2023   16:22:38   (  74.17, -77.44) 12/02/2023   16:21:31  (  74.16, -77.44)    2.17                67
 12/02/2023   17:13:22   ( -74.15,  89.93) 12/02/2023   17:12:29  ( -74.16,  89.83)    3.07                53
 12/02/2023   18:04:08   (  74.18,-102.82) 12/02/2023   18:03:29  (  74.18,-102.86)    1.38                39
 12/02/2023   18:54:53   ( -74.20,  64.43) 12/02/2023   18:54:27  ( -74.19,  64.42)    1.59                26
 12/02/2023   19:45:39   (  74.23,-128.32) 12/02/2023   19:45:27  (  74.21,-128.27)    2.32                12
 12/02/2023   20:36:23   ( -74.21,  39.04) 12/02/2023   20:36:25  ( -74.22,  39.01)    1.88                 2
 12/02/2023   21:27:09   (  74.23,-153.71) 12/02/2023   21:27:25  (  74.24,-153.69)    1.44                16
 12/02/2023   22:17:54   ( -74.26,  13.54) 12/02/2023   22:18:23  ( -74.25,  13.59)    1.85                29
 12/02/2023   23:08:40   (  74.28,-179.21) 12/02/2023   23:09:23  (  74.27,-179.10)    3.58                43
 12/02/2023   23:59:24   ( -74.26, -11.84) 12/03/2023   00:00:21  ( -74.28, -11.82)    2.22                57
 12/03/2023   00:50:10   (  74.28, 155.41) 12/03/2023   00:51:21  (  74.30, 155.49)    2.99                71
 12/03/2023   01:41:03   ( -74.70, -38.37) 12/03/2023   01:42:12  ( -74.64, -36.31)   61.07                69