Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2023 4 25.  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)
 05/08/2023   09:36:05   (  74.88,  22.65) 05/08/2023   09:34:57  (  74.91,  20.24)   70.21                68
 05/08/2023   10:26:58   ( -75.30,-171.25) 05/08/2023   10:25:54  ( -75.32,-171.27)    3.07                64
 05/08/2023   11:17:44   (  75.32,  -4.00) 05/08/2023   11:16:47  (  75.34,  -3.94)    2.83                57
 05/08/2023   12:08:28   ( -75.31, 163.34) 05/08/2023   12:07:53  ( -75.33, 163.26)    3.23                35
 05/08/2023   12:59:14   (  75.33, -29.42) 05/08/2023   12:58:46  (  75.34, -29.41)    1.46                28
 05/08/2023   13:49:59   ( -75.37, 137.79) 05/08/2023   13:49:52  ( -75.34, 137.79)    3.60                 7
 05/08/2023   14:40:44   (  75.35, -54.83) 05/08/2023   14:40:45  (  75.35, -54.88)    1.55                 1
 05/08/2023   15:31:29   ( -75.38, 112.37) 05/08/2023   15:31:50  ( -75.39, 112.47)    2.77                21
 05/08/2023   16:22:14   (  75.36, -80.25) 05/08/2023   16:22:44  (  75.36, -80.35)    2.96                30
 05/08/2023   17:12:59   ( -75.39,  86.96) 05/08/2023   17:13:49  ( -75.40,  87.00)    1.03                50
 05/08/2023   18:03:45   (  75.42,-105.80) 05/08/2023   18:04:42  (  75.41,-105.67)    3.73                57
 05/08/2023   18:54:33   ( -75.60,  60.96) 05/08/2023   18:55:45  ( -75.54,  61.97)   28.70                72
 05/08/2023   19:45:25   (  75.90,-132.71) 05/08/2023   19:46:31  (  75.87,-129.60)   84.33                66