Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2023 11 6.  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   14:21:45   (  73.84, -46.43) 11/17/2023   14:20:36  (  73.82, -48.47)   63.32                69
 11/17/2023   15:12:37   ( -74.22, 119.97) 11/17/2023   15:11:23  ( -74.22, 119.86)    3.29                74
 11/17/2023   16:03:23   (  74.24, -72.78) 11/17/2023   16:02:26  (  74.23, -72.88)    2.92                57
 11/17/2023   16:54:08   ( -74.27,  94.46) 11/17/2023   16:53:21  ( -74.25,  94.45)    1.51                47
 11/17/2023   17:44:54   (  74.29, -98.29) 11/17/2023   17:44:24  (  74.26, -98.29)    2.99                30
 11/17/2023   18:35:38   ( -74.27,  69.08) 11/17/2023   18:35:19  ( -74.28,  69.04)    2.09                19
 11/17/2023   19:26:24   (  74.29,-123.67) 11/17/2023   19:26:22  (  74.29,-123.70)    1.02                 2
 11/17/2023   20:17:09   ( -74.32,  43.58) 11/17/2023   20:17:17  ( -74.31,  43.63)    1.65                 8
 11/17/2023   21:07:55   (  74.34,-149.17) 11/17/2023   21:08:20  (  74.32,-149.11)    2.97                25
 11/17/2023   21:58:39   ( -74.32,  18.20) 11/17/2023   21:59:15  ( -74.34,  18.21)    2.37                36
 11/17/2023   22:49:25   (  74.35,-174.55) 11/17/2023   22:50:18  (  74.35,-174.52)    1.09                53
 11/17/2023   23:40:10   ( -74.37,  -7.31) 11/17/2023   23:41:13  ( -74.37,  -7.20)    3.37                63
 11/18/2023   00:31:01   (  74.64, 159.30) 11/18/2023   00:32:12  (  74.57, 160.60)   39.15                71