Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2023 10 29.  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   (  74.22, -42.52) 11/02/2023   14:01:19  (  74.22, -43.06)   16.19                74
 11/02/2023   14:53:19   ( -74.31, 124.57) 11/02/2023   14:52:12  ( -74.33, 124.51)    2.94                67
 11/02/2023   15:44:06   (  74.37, -68.27) 11/02/2023   15:43:15  (  74.35, -68.20)    3.19                51
 11/02/2023   16:34:50   ( -74.36,  99.07) 11/02/2023   16:34:10  ( -74.36,  99.11)    1.22                40
 11/02/2023   17:25:36   (  74.37, -93.65) 11/02/2023   17:25:13  (  74.38, -93.60)    1.93                23
 11/02/2023   18:16:20   ( -74.36,  73.70) 11/02/2023   18:16:09  ( -74.35,  73.58)    3.84                11
 11/02/2023   19:07:06   (  74.37,-119.02) 11/02/2023   19:07:12  (  74.37,-119.14)    3.42                 6
 11/02/2023   19:57:51   ( -74.40,  48.20) 11/02/2023   19:58:07  ( -74.38,  48.17)    2.77                16
 11/02/2023   20:48:37   (  74.42,-144.52) 11/02/2023   20:49:10  (  74.40,-144.54)    1.90                33
 11/02/2023   21:39:21   ( -74.40,  22.83) 11/02/2023   21:40:05  ( -74.41,  22.77)    1.94                44
 11/02/2023   22:30:07   (  74.42,-169.90) 11/02/2023   22:31:08  (  74.43,-169.94)    2.25                61
 11/02/2023   23:20:52   ( -74.45,  -2.67) 11/02/2023   23:22:03  ( -74.45,  -2.63)    1.47                71
 11/03/2023   00:11:49   (  75.00, 163.15) 11/03/2023   00:12:55  (  74.98, 166.17)   87.03                66