Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2023 1 31.  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   15:33:16   (  75.76, -69.00) 02/09/2023   15:32:02  (  75.76, -69.03)    0.91                74
 02/09/2023   16:24:01   ( -75.80,  98.21) 02/09/2023   16:22:59  ( -75.78,  98.27)    2.84                62
 02/09/2023   17:14:46   (  75.77, -94.40) 02/09/2023   17:14:01  (  75.78, -94.46)    2.11                45
 02/09/2023   18:05:31   ( -75.80,  72.81) 02/09/2023   18:04:58  ( -75.80,  72.84)    1.36                33
 02/09/2023   18:56:17   (  75.83,-119.95) 02/09/2023   18:56:00  (  75.80,-119.88)    3.07                17
 02/09/2023   19:47:00   ( -75.81,  47.41) 02/09/2023   19:46:56  ( -75.81,  47.41)    0.32                 4
 02/09/2023   20:37:46   (  75.83,-145.35) 02/09/2023   20:37:58  (  75.82,-145.31)    1.63                12
 02/09/2023   21:28:30   ( -75.82,  22.01) 02/09/2023   21:28:55  ( -75.83,  21.99)    1.66                25
 02/09/2023   22:19:16   (  75.84,-170.75) 02/09/2023   22:19:57  (  75.85,-170.73)    0.65                41
 02/09/2023   23:10:00   ( -75.83,  -3.39) 02/09/2023   23:10:54  ( -75.85,  -3.44)    3.12                54
 02/10/2023   00:00:46   (  75.85, 163.85) 02/10/2023   00:01:56  (  75.87, 163.84)    1.63                70
 02/10/2023   00:51:38   ( -76.20, -30.04) 02/10/2023   00:52:47  ( -76.14, -27.89)   57.42                69