Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2023 11 11.  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)
 11/17/2023   14:21:46   (  73.86, -46.48) 11/17/2023   14:20:37  (  73.86, -48.38)   58.87                69
 11/17/2023   15:12:38   ( -74.24, 119.90) 11/17/2023   15:11:24  ( -74.26, 119.94)    2.35                74
 11/17/2023   16:03:24   (  74.26, -72.84) 11/17/2023   16:02:27  (  74.27, -72.78)    2.21                57
 11/17/2023   16:54:08   ( -74.24,  94.52) 11/17/2023   16:53:23  ( -74.24,  94.40)    3.48                45
 11/17/2023   17:44:54   (  74.26, -98.22) 11/17/2023   17:44:26  (  74.26, -98.32)    3.29                28
 11/17/2023   18:35:39   ( -74.29,  69.02) 11/17/2023   18:35:21  ( -74.27,  69.00)    2.33                18
 11/17/2023   19:26:25   (  74.31,-123.72) 11/17/2023   19:26:24  (  74.29,-123.73)    2.80                 1
 11/17/2023   20:17:09   ( -74.30,  43.64) 11/17/2023   20:17:19  ( -74.30,  43.59)    1.84                10
 11/17/2023   21:07:55   (  74.31,-149.10) 11/17/2023   21:08:22  (  74.32,-149.14)    1.37                27
 11/17/2023   21:58:40   ( -74.35,  18.13) 11/17/2023   21:59:17  ( -74.33,  18.18)    1.76                37
 11/17/2023   22:49:26   (  74.36,-174.60) 11/17/2023   22:50:20  (  74.35,-174.55)    2.38                54
 11/17/2023   23:40:10   ( -74.35,  -7.24) 11/17/2023   23:41:15  ( -74.37,  -7.23)    2.15                65
 11/18/2023   00:31:03   (  74.71, 159.11) 11/18/2023   00:32:13  (  74.62, 160.71)   47.96                70