Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2023 1 28.  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)
 02/09/2023   15:33:15   (  75.76, -68.97) 02/09/2023   15:32:02  (  75.77, -69.01)    2.06                73
 02/09/2023   16:24:00   ( -75.79,  98.25) 02/09/2023   16:22:59  ( -75.78,  98.30)    1.33                61
 02/09/2023   17:14:46   (  75.81, -94.52) 02/09/2023   17:14:01  (  75.79, -94.44)    3.18                45
 02/09/2023   18:05:30   ( -75.79,  72.85) 02/09/2023   18:04:58  ( -75.80,  72.87)    1.30                32
 02/09/2023   18:56:16   (  75.82,-119.92) 02/09/2023   18:56:00  (  75.81,-119.86)    1.91                16
 02/09/2023   19:47:00   ( -75.80,  47.45) 02/09/2023   19:46:57  ( -75.82,  47.44)    2.40                 3
 02/09/2023   20:37:46   (  75.83,-145.33) 02/09/2023   20:37:59  (  75.83,-145.28)    1.22                13
 02/09/2023   21:28:31   ( -75.86,  21.89) 02/09/2023   21:28:56  ( -75.84,  22.02)    3.71                25
 02/09/2023   22:19:16   (  75.84,-170.73) 02/09/2023   22:19:58  (  75.85,-170.71)    1.87                42
 02/09/2023   23:10:01   ( -75.86,  -3.51) 02/09/2023   23:10:55  ( -75.86,  -3.41)    2.74                54
 02/10/2023   00:00:46   (  75.84, 163.87) 02/10/2023   00:01:57  (  75.87, 163.87)    3.12                71
 02/10/2023   00:51:39   ( -76.24, -30.16) 02/10/2023   00:52:47  ( -76.19, -27.69)   65.54                68