Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 5 6.  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   ( -70.91, 152.25) 05/14/2025   13:30:12  ( -70.91, 151.09)   41.93                72
 05/14/2025   14:22:15   (  71.16, -40.88) 05/14/2025   14:21:01  (  71.18, -41.15)   10.15                74
 05/14/2025   15:13:01   ( -71.27, 126.25) 05/14/2025   15:12:01  ( -71.29, 126.29)    3.02                60
 05/14/2025   16:03:47   (  71.27, -66.43) 05/14/2025   16:02:56  (  71.26, -66.50)    2.52                51
 05/14/2025   16:54:32   ( -71.32, 100.78) 05/14/2025   16:53:57  ( -71.32, 100.86)    2.68                35
 05/14/2025   17:45:18   (  71.32, -91.90) 05/14/2025   17:44:51  (  71.33, -91.84)    2.70                27
 05/14/2025   18:36:02   ( -71.32,  75.41) 05/14/2025   18:35:53  ( -71.35,  75.42)    2.55                 9
 05/14/2025   19:26:49   (  71.37,-117.37) 05/14/2025   19:26:47  (  71.36,-117.28)    3.55                 2
 05/14/2025   20:17:33   ( -71.38,  49.94) 05/14/2025   20:17:49  ( -71.37,  49.99)    1.81                16
 05/14/2025   21:08:19   (  71.37,-142.75) 05/14/2025   21:08:43  (  71.39,-142.72)    1.78                24
 05/14/2025   21:59:03   ( -71.38,  24.56) 05/14/2025   21:59:45  ( -71.40,  24.55)    2.36                42
 05/14/2025   22:49:50   (  71.43,-168.22) 05/14/2025   22:50:39  (  71.41,-168.15)    2.86                49
 05/14/2025   23:40:34   ( -71.43,  -0.91) 05/14/2025   23:41:41  ( -71.43,  -0.88)    1.07                67
 05/15/2025   00:31:21   (  71.48, 166.31) 05/15/2025   00:32:35  (  71.44, 166.41)    5.86                74
 05/15/2025   01:22:17   ( -72.10, -27.52) 05/15/2025   01:23:25  ( -72.06, -25.16)   80.88                68