Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2024 5 11.  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)
 05/17/2024   07:23:06   (  72.67,  60.92) 05/17/2024   07:21:59  (  72.66,  58.27)   87.80                67
 05/17/2024   08:14:02   ( -73.28,-133.07) 05/17/2024   08:12:52  ( -73.28,-133.11)    1.32                70
 05/17/2024   09:04:48   (  73.28,  34.23) 05/17/2024   09:03:44  (  73.30,  34.23)    1.97                64
 05/17/2024   09:55:33   ( -73.34,-158.58) 05/17/2024   09:54:49  ( -73.32,-158.49)    3.09                44
 05/17/2024   10:46:18   (  73.29,   8.83) 05/17/2024   10:45:42  (  73.30,   8.73)    3.34                36
 05/17/2024   11:37:03   ( -73.34, 176.03) 05/17/2024   11:36:47  ( -73.32, 176.02)    2.70                16
 05/17/2024   12:27:49   (  73.35, -16.67) 05/17/2024   12:27:39  (  73.34, -16.65)    1.07                10
 05/17/2024   13:18:33   ( -73.35, 150.63) 05/17/2024   13:18:44  ( -73.37, 150.64)    1.53                11
 05/17/2024   14:09:19   (  73.36, -42.07) 05/17/2024   14:09:37  (  73.34, -42.14)    3.06                18
 05/17/2024   15:00:03   ( -73.36, 125.24) 05/17/2024   15:00:42  ( -73.37, 125.14)    3.10                39
 05/17/2024   15:50:49   (  73.37, -67.46) 05/17/2024   15:51:34  (  73.39, -67.52)    2.87                45
 05/17/2024   16:41:34   ( -73.42,  99.73) 05/17/2024   16:42:39  ( -73.41,  99.76)    1.50                65
 05/17/2024   17:32:20   (  73.43, -92.97) 05/17/2024   17:33:31  (  73.44, -92.90)    2.46                71
 05/17/2024   18:23:18   ( -74.12,  72.68) 05/17/2024   18:24:23  ( -74.09,  75.96)   99.88                65