Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2023 3 13.  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)
 03/25/2023   11:44:27   (  75.26, -10.41) 03/25/2023   11:43:17  (  75.26, -12.12)   48.27                70
 03/25/2023   12:35:17   ( -75.53, 156.10) 03/25/2023   12:34:10  ( -75.54, 156.05)    2.10                67
 03/25/2023   13:26:03   (  75.55, -36.67) 03/25/2023   13:25:10  (  75.55, -36.67)    0.25                53
 03/25/2023   14:16:48   ( -75.58, 130.55) 03/25/2023   14:16:09  ( -75.55, 130.60)    3.36                39
 03/25/2023   15:07:33   (  75.56, -62.08) 03/25/2023   15:07:09  (  75.56, -62.12)    1.22                24
 03/25/2023   15:58:18   ( -75.59, 105.15) 03/25/2023   15:58:08  ( -75.57, 105.15)    2.54                10
 03/25/2023   16:49:03   (  75.57, -87.48) 03/25/2023   16:49:08  (  75.58, -87.57)    2.67                 5
 03/25/2023   17:39:48   ( -75.60,  79.75) 03/25/2023   17:40:07  ( -75.58,  79.70)    2.39                19
 03/25/2023   18:30:34   (  75.63,-113.03) 03/25/2023   18:31:07  (  75.59,-113.02)    4.07                33
 03/25/2023   19:21:18   ( -75.61,  54.34) 03/25/2023   19:22:06  ( -75.59,  54.25)    3.00                48
 03/25/2023   20:12:04   (  75.64,-138.43) 03/25/2023   20:13:05  (  75.65,-138.32)    3.34                61
 03/25/2023   21:02:50   ( -75.71,  28.65) 03/25/2023   21:04:04  ( -75.65,  28.95)   10.58                74