Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 2 18.  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)
 02/23/2025   01:41:18   ( -71.01, -30.30) 02/23/2025   01:40:11  ( -71.00, -32.86)   92.60                67
 02/23/2025   02:32:11   (  71.34, 136.44) 02/23/2025   02:31:00  (  71.34, 135.01)   50.92                71
 02/23/2025   03:23:02   ( -71.73, -56.95) 02/23/2025   03:21:53  ( -71.76, -56.95)    2.92                69
 02/23/2025   04:13:49   (  71.76, 110.31) 02/23/2025   04:12:49  (  71.73, 110.27)    2.98                60
 02/23/2025   05:04:33   ( -71.79, -82.43) 02/23/2025   05:03:49  ( -71.80, -82.36)    2.74                44
 02/23/2025   05:55:19   (  71.76,  84.93) 02/23/2025   05:54:45  (  71.78,  84.86)    3.05                34
 02/23/2025   06:46:03   ( -71.79,-107.81) 02/23/2025   06:45:46  ( -71.79,-107.86)    1.91                17
 02/23/2025   07:36:50   (  71.82,  59.46) 02/23/2025   07:36:41  (  71.82,  59.46)    0.27                 9
 02/23/2025   08:27:34   ( -71.85,-133.28) 02/23/2025   08:27:42  ( -71.83,-133.27)    1.72                 8
 02/23/2025   09:18:21   (  71.87,  33.98) 02/23/2025   09:18:37  (  71.86,  34.05)    2.80                16
 02/23/2025   10:09:04   ( -71.85,-158.66) 02/23/2025   10:09:38  ( -71.87,-158.67)    2.54                34
 02/23/2025   10:59:51   (  71.87,   8.60) 02/23/2025   11:00:34  (  71.85,   8.55)    3.13                43
 02/23/2025   11:50:35   ( -71.91, 175.86) 02/23/2025   11:51:34  ( -71.91, 175.92)    2.32                59
 02/23/2025   12:41:21   (  71.88, -16.78) 02/23/2025   12:42:30  (  71.89, -16.85)    2.94                69
 02/23/2025   13:32:13   ( -72.32, 149.69) 02/23/2025   13:33:24  ( -72.26, 151.12)   48.71                71
 02/23/2025   14:23:06   (  72.65, -43.66) 02/23/2025   14:24:12  (  72.64, -40.82)   94.38                66