Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2023 1 30.  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   (  75.77, -69.02) 02/09/2023   15:32:02  (  75.77, -69.02)    0.42                74
 02/09/2023   16:24:00   ( -75.76,  98.34) 02/09/2023   16:22:59  ( -75.78,  98.28)    3.02                61
 02/09/2023   17:14:46   (  75.78, -94.42) 02/09/2023   17:14:01  (  75.79, -94.45)    1.14                45
 02/09/2023   18:05:31   ( -75.81,  72.79) 02/09/2023   18:04:58  ( -75.80,  72.85)    2.21                33
 02/09/2023   18:56:16   (  75.79,-119.82) 02/09/2023   18:56:00  (  75.81,-119.87)    2.63                16
 02/09/2023   19:47:00   ( -75.82,  47.39) 02/09/2023   19:46:56  ( -75.82,  47.43)    1.07                 4
 02/09/2023   20:37:46   (  75.84,-145.38) 02/09/2023   20:37:58  (  75.83,-145.30)    2.68                12
 02/09/2023   21:28:30   ( -75.83,  21.99) 02/09/2023   21:28:55  ( -75.84,  22.00)    1.32                25
 02/09/2023   22:19:16   (  75.85,-170.78) 02/09/2023   22:19:57  (  75.85,-170.72)    1.56                41
 02/09/2023   23:10:00   ( -75.83,  -3.41) 02/09/2023   23:10:54  ( -75.86,  -3.43)    2.57                54
 02/10/2023   00:00:46   (  75.86, 163.82) 02/10/2023   00:01:56  (  75.87, 163.85)    1.46                70
 02/10/2023   00:51:38   ( -76.21, -30.06) 02/10/2023   00:52:47  ( -76.14, -27.88)   58.39                69