Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2023 11 5.  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   14:21:47   (  73.88, -46.52) 11/17/2023   14:20:37  (  73.90, -48.27)   53.99                70
 11/17/2023   15:12:39   ( -74.25, 119.87) 11/17/2023   15:11:25  ( -74.26, 119.95)    2.46                74
 11/17/2023   16:03:25   (  74.28, -72.88) 11/17/2023   16:02:28  (  74.27, -72.79)    2.67                57
 11/17/2023   16:54:09   ( -74.25,  94.49) 11/17/2023   16:53:24  ( -74.24,  94.41)    2.73                45
 11/17/2023   17:44:55   (  74.28, -98.26) 11/17/2023   17:44:26  (  74.30, -98.20)    3.27                29
 11/17/2023   18:35:40   ( -74.30,  68.99) 11/17/2023   18:35:22  ( -74.28,  69.00)    3.11                18
 11/17/2023   19:26:25   (  74.28,-123.63) 11/17/2023   19:26:25  (  74.28,-123.74)    3.20                 0
 11/17/2023   20:17:10   ( -74.30,  43.61) 11/17/2023   20:17:20  ( -74.31,  43.59)    0.63                10
 11/17/2023   21:07:56   (  74.33,-149.14) 11/17/2023   21:08:23  (  74.32,-149.15)    1.42                27
 11/17/2023   21:58:41   ( -74.35,  18.11) 11/17/2023   21:59:18  ( -74.34,  18.18)    2.97                37
 11/17/2023   22:49:26   (  74.33,-174.52) 11/17/2023   22:50:21  (  74.35,-174.55)    2.19                55
 11/17/2023   23:40:11   ( -74.36,  -7.27) 11/17/2023   23:41:16  ( -74.37,  -7.22)    2.01                65
 11/18/2023   00:31:03   (  74.67, 159.20) 11/18/2023   00:32:13  (  74.66, 160.84)   48.13                70