Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 5 22.  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   ( -70.47,  76.76) 05/30/2025   18:34:53  ( -70.44,  74.50)   84.13                68
 05/30/2025   19:26:51   (  70.65,-116.23) 05/30/2025   19:25:41  (  70.63,-117.91)   61.88                70
 05/30/2025   20:17:44   ( -71.15,  50.26) 05/30/2025   20:16:36  ( -71.14,  50.20)    2.71                68
 05/30/2025   21:08:31   (  71.18,-142.48) 05/30/2025   21:07:27  (  71.17,-142.45)    1.31                64
 05/30/2025   21:59:15   ( -71.21,  24.79) 05/30/2025   21:58:31  ( -71.21,  24.85)    2.37                44
 05/30/2025   22:50:01   (  71.18,-167.86) 05/30/2025   22:49:23  (  71.20,-167.89)    2.09                38
 05/30/2025   23:40:45   ( -71.21,  -0.59) 05/30/2025   23:40:27  ( -71.24,  -0.59)    3.17                18
 05/31/2025   00:31:32   (  71.24, 166.67) 05/31/2025   00:31:19  (  71.22, 166.67)    1.53                13
 05/31/2025   01:22:16   ( -71.26, -26.06) 05/31/2025   01:22:23  ( -71.26, -26.03)    1.13                 7
 05/31/2025   02:13:02   (  71.24, 141.29) 05/31/2025   02:13:15  (  71.25, 141.23)    2.51                13
 05/31/2025   03:03:46   ( -71.27, -51.44) 05/31/2025   03:04:19  ( -71.29, -51.47)    2.67                33
 05/31/2025   03:54:33   (  71.29, 115.82) 05/31/2025   03:55:11  (  71.27, 115.79)    2.62                38
 05/31/2025   04:45:17   ( -71.32, -76.90) 05/31/2025   04:46:15  ( -71.31, -76.90)    0.78                58
 05/31/2025   05:36:04   (  71.35,  90.36) 05/31/2025   05:37:06  (  71.35,  90.44)    3.13                62
 05/31/2025   06:26:54   ( -71.68,-102.93) 05/31/2025   06:28:05  ( -71.64,-101.78)   40.53                71
 05/31/2025   07:17:44   (  71.87,  64.04) 05/31/2025   07:18:53  (  71.83,  65.87)   63.37                69