Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 5 21.  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,  76.74) 05/30/2025   18:34:53  ( -70.45,  74.50)   83.40                68
 05/30/2025   19:26:51   (  70.67,-116.25) 05/30/2025   19:25:41  (  70.63,-117.90)   61.12                70
 05/30/2025   20:17:44   ( -71.16,  50.24) 05/30/2025   20:16:36  ( -71.14,  50.20)    3.09                68
 05/30/2025   21:08:31   (  71.19,-142.50) 05/30/2025   21:07:27  (  71.17,-142.45)    2.83                64
 05/30/2025   21:59:15   ( -71.22,  24.77) 05/30/2025   21:58:31  ( -71.22,  24.86)    3.11                44
 05/30/2025   22:50:01   (  71.19,-167.88) 05/30/2025   22:49:23  (  71.20,-167.89)    0.51                38
 05/30/2025   23:40:45   ( -71.22,  -0.61) 05/30/2025   23:40:27  ( -71.24,  -0.58)    2.31                18
 05/31/2025   00:31:32   (  71.25, 166.65) 05/31/2025   00:31:19  (  71.22, 166.67)    2.96                13
 05/31/2025   01:22:16   ( -71.28, -26.08) 05/31/2025   01:22:23  ( -71.26, -26.02)    2.26                 7
 05/31/2025   02:13:02   (  71.25, 141.27) 05/31/2025   02:13:15  (  71.25, 141.23)    1.47                13
 05/31/2025   03:03:46   ( -71.28, -51.46) 05/31/2025   03:04:19  ( -71.29, -51.46)    1.41                33
 05/31/2025   03:54:33   (  71.31, 115.80) 05/31/2025   03:55:10  (  71.32, 115.89)    3.60                37
 05/31/2025   04:45:17   ( -71.33, -76.92) 05/31/2025   04:46:15  ( -71.31, -76.90)    2.04                58
 05/31/2025   05:36:03   (  71.31,  90.42) 05/31/2025   05:37:07  (  71.30,  90.35)    2.77                64
 05/31/2025   06:26:54   ( -71.69,-102.95) 05/31/2025   06:28:05  ( -71.64,-101.77)   41.52                71
 05/31/2025   07:17:44   (  71.88,  64.02) 05/31/2025   07:18:53  (  71.83,  65.87)   64.38                69