Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 5 24.  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   ( -70.49,  76.74) 05/30/2025   18:34:52  ( -70.48,  74.56)   80.99                69
 05/30/2025   19:26:50   (  70.61,-116.16) 05/30/2025   19:25:41  (  70.62,-117.93)   65.25                69
 05/30/2025   20:17:44   ( -71.17,  50.24) 05/30/2025   20:16:35  ( -71.17,  50.27)    1.43                69
 05/30/2025   21:08:31   (  71.19,-142.50) 05/30/2025   21:07:27  (  71.16,-142.47)    3.35                64
 05/30/2025   21:59:15   ( -71.22,  24.77) 05/30/2025   21:58:31  ( -71.20,  24.83)    3.07                44
 05/30/2025   22:50:01   (  71.19,-167.88) 05/30/2025   22:49:23  (  71.18,-167.91)    1.52                38
 05/30/2025   23:40:45   ( -71.22,  -0.61) 05/30/2025   23:40:27  ( -71.22,  -0.61)    0.30                18
 05/31/2025   00:31:32   (  71.24, 166.66) 05/31/2025   00:31:18  (  71.26, 166.74)    3.45                14
 05/31/2025   01:22:16   ( -71.27, -26.08) 05/31/2025   01:22:23  ( -71.25, -26.05)    3.09                 7
 05/31/2025   02:13:02   (  71.25, 141.28) 05/31/2025   02:13:15  (  71.23, 141.21)    2.91                13
 05/31/2025   03:03:46   ( -71.28, -51.46) 05/31/2025   03:04:19  ( -71.27, -51.49)    1.33                33
 05/31/2025   03:54:33   (  71.30, 115.81) 05/31/2025   03:55:10  (  71.31, 115.86)    2.09                37
 05/31/2025   04:45:17   ( -71.33, -76.92) 05/31/2025   04:46:15  ( -71.30, -76.93)    3.64                58
 05/31/2025   05:36:03   (  71.30,  90.43) 05/31/2025   05:37:06  (  71.33,  90.42)    3.52                63
 05/31/2025   06:26:54   ( -71.69,-102.95) 05/31/2025   06:28:05  ( -71.63,-101.80)   40.72                71
 05/31/2025   07:17:44   (  71.87,  64.03) 05/31/2025   07:18:53  (  71.82,  65.84)   63.34                69