Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2023 3 24.  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   11:44:26   (  75.21, -10.25) 03/25/2023   11:43:17  (  75.22, -12.26)   56.98                69
 03/25/2023   12:35:17   ( -75.53, 156.08) 03/25/2023   12:34:09  ( -75.54, 156.02)    1.77                68
 03/25/2023   13:26:03   (  75.55, -36.66) 03/25/2023   13:25:09  (  75.55, -36.67)    1.01                54
 03/25/2023   14:16:47   ( -75.54, 130.68) 03/25/2023   14:16:08  ( -75.55, 130.57)    3.29                39
 03/25/2023   15:07:33   (  75.55, -62.06) 03/25/2023   15:07:08  (  75.57, -62.12)    2.24                25
 03/25/2023   15:58:18   ( -75.59, 105.13) 03/25/2023   15:58:07  ( -75.56, 105.12)    3.62                11
 03/25/2023   16:49:04   (  75.61, -87.61) 03/25/2023   16:49:07  (  75.58, -87.58)    3.64                 3
 03/25/2023   17:39:48   ( -75.60,  79.73) 03/25/2023   17:40:05  ( -75.62,  79.82)    2.96                17
 03/25/2023   18:30:34   (  75.62,-113.01) 03/25/2023   18:31:06  (  75.59,-113.04)    3.30                32
 03/25/2023   19:21:18   ( -75.61,  54.33) 03/25/2023   19:22:04  ( -75.63,  54.36)    2.45                46
 03/25/2023   20:12:04   (  75.63,-138.41) 03/25/2023   20:13:04  (  75.65,-138.34)    2.97                60
 03/25/2023   21:02:49   ( -75.66,  28.78) 03/25/2023   21:04:03  ( -75.64,  28.91)    4.27                74