Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 5 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)
 05/30/2025   18:36:01   ( -70.48,  76.75) 05/30/2025   18:34:53  ( -70.44,  74.49)   84.21                68
 05/30/2025   19:26:51   (  70.66,-116.23) 05/30/2025   19:25:41  (  70.63,-117.91)   61.94                70
 05/30/2025   20:17:44   ( -71.16,  50.25) 05/30/2025   20:16:35  ( -71.18,  50.28)    2.81                69
 05/30/2025   21:08:31   (  71.18,-142.49) 05/30/2025   21:07:27  (  71.17,-142.46)    1.78                64
 05/30/2025   21:59:15   ( -71.21,  24.78) 05/30/2025   21:58:31  ( -71.21,  24.84)    2.38                44
 05/30/2025   22:50:01   (  71.18,-167.86) 05/30/2025   22:49:23  (  71.19,-167.90)    1.58                38
 05/30/2025   23:40:45   ( -71.22,  -0.60) 05/30/2025   23:40:27  ( -71.23,  -0.60)    1.82                18
 05/31/2025   00:31:32   (  71.24, 166.67) 05/31/2025   00:31:19  (  71.22, 166.66)    2.20                13
 05/31/2025   01:22:16   ( -71.27, -26.07) 05/31/2025   01:22:23  ( -71.26, -26.04)    1.79                 7
 05/31/2025   02:13:02   (  71.24, 141.29) 05/31/2025   02:13:15  (  71.24, 141.22)    2.35                13
 05/31/2025   03:03:46   ( -71.27, -51.45) 05/31/2025   03:04:19  ( -71.28, -51.48)    1.55                33
 05/31/2025   03:54:33   (  71.29, 115.82) 05/31/2025   03:55:11  (  71.27, 115.78)    3.21                38
 05/31/2025   04:45:17   ( -71.32, -76.91) 05/31/2025   04:46:15  ( -71.31, -76.91)    2.10                58
 05/31/2025   05:36:04   (  71.35,  90.35) 05/31/2025   05:37:06  (  71.34,  90.44)    3.15                62
 05/31/2025   06:26:54   ( -71.69,-102.94) 05/31/2025   06:28:05  ( -71.64,-101.79)   40.68                71
 05/31/2025   07:17:44   (  71.87,  64.04) 05/31/2025   07:18:53  (  71.83,  65.86)   63.39                69