Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 5 9.  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)
 05/14/2025   13:31:24   ( -70.90, 152.26) 05/14/2025   13:30:12  ( -70.91, 151.09)   42.59                72
 05/14/2025   14:22:15   (  71.15, -40.86) 05/14/2025   14:21:01  (  71.18, -41.16)   11.11                74
 05/14/2025   15:13:01   ( -71.26, 126.26) 05/14/2025   15:12:01  ( -71.29, 126.29)    3.21                60
 05/14/2025   16:03:47   (  71.26, -66.42) 05/14/2025   16:02:56  (  71.26, -66.50)    2.99                51
 05/14/2025   16:54:32   ( -71.32, 100.80) 05/14/2025   16:53:57  ( -71.32, 100.85)    1.99                35
 05/14/2025   17:45:18   (  71.31, -91.88) 05/14/2025   17:44:51  (  71.33, -91.84)    3.21                27
 05/14/2025   18:36:02   ( -71.32,  75.42) 05/14/2025   18:35:53  ( -71.34,  75.42)    2.98                 9
 05/14/2025   19:26:49   (  71.36,-117.35) 05/14/2025   19:26:47  (  71.36,-117.28)    2.56                 2
 05/14/2025   20:17:33   ( -71.37,  49.95) 05/14/2025   20:17:49  ( -71.37,  49.98)    1.05                16
 05/14/2025   21:08:19   (  71.36,-142.73) 05/14/2025   21:08:43  (  71.39,-142.72)    2.64                24
 05/14/2025   21:59:03   ( -71.37,  24.57) 05/14/2025   21:59:45  ( -71.40,  24.55)    3.04                42
 05/14/2025   22:49:50   (  71.42,-168.20) 05/14/2025   22:50:39  (  71.41,-168.15)    1.64                49
 05/14/2025   23:40:34   ( -71.42,  -0.89) 05/14/2025   23:41:41  ( -71.42,  -0.89)    0.18                67
 05/15/2025   00:31:21   (  71.47, 166.33) 05/15/2025   00:32:35  (  71.44, 166.41)    4.41                74
 05/15/2025   01:22:17   ( -72.09, -27.50) 05/15/2025   01:23:25  ( -72.06, -25.16)   80.12                68