Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2023 11 1.  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)
 11/02/2023   14:02:33   (  74.23, -42.54) 11/02/2023   14:01:19  (  74.22, -43.06)   15.86                74
 11/02/2023   14:53:19   ( -74.32, 124.54) 11/02/2023   14:52:12  ( -74.33, 124.50)    1.60                67
 11/02/2023   15:44:05   (  74.33, -68.17) 11/02/2023   15:43:15  (  74.35, -68.21)    2.57                50
 11/02/2023   16:34:50   ( -74.37,  99.05) 11/02/2023   16:34:10  ( -74.36,  99.10)    1.77                40
 11/02/2023   17:25:36   (  74.38, -93.67) 11/02/2023   17:25:13  (  74.38, -93.61)    1.82                23
 11/02/2023   18:16:20   ( -74.37,  73.67) 11/02/2023   18:16:08  ( -74.39,  73.69)    2.92                12
 11/02/2023   19:07:06   (  74.37,-119.04) 11/02/2023   19:07:12  (  74.37,-119.14)    3.17                 6
 11/02/2023   19:57:51   ( -74.41,  48.17) 11/02/2023   19:58:06  ( -74.42,  48.29)    3.80                15
 11/02/2023   20:48:37   (  74.42,-144.54) 11/02/2023   20:49:10  (  74.40,-144.54)    2.69                33
 11/02/2023   21:39:21   ( -74.41,  22.80) 11/02/2023   21:40:05  ( -74.41,  22.76)    1.21                44
 11/02/2023   22:30:07   (  74.42,-169.92) 11/02/2023   22:31:08  (  74.43,-169.94)    1.32                61
 11/02/2023   23:20:52   ( -74.46,  -2.70) 11/02/2023   23:22:03  ( -74.44,  -2.64)    2.80                71
 11/03/2023   00:11:49   (  75.00, 163.12) 11/03/2023   00:12:55  (  74.98, 166.16)   87.50                66