Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 5 29.  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)   84.12                68
 05/30/2025   19:26:51   (  70.65,-116.22) 05/30/2025   19:25:41  (  70.64,-117.90)   61.92                70
 05/30/2025   20:17:44   ( -71.15,  50.26) 05/30/2025   20:16:36  ( -71.14,  50.20)    2.83                68
 05/30/2025   21:08:31   (  71.17,-142.47) 05/30/2025   21:07:27  (  71.18,-142.44)    1.22                64
 05/30/2025   21:59:15   ( -71.21,  24.79) 05/30/2025   21:58:31  ( -71.21,  24.85)    2.33                44
 05/30/2025   22:50:02   (  71.23,-167.94) 05/30/2025   22:49:23  (  71.20,-167.88)    3.25                39
 05/30/2025   23:40:45   ( -71.21,  -0.59) 05/30/2025   23:40:27  ( -71.24,  -0.59)    2.97                18
 05/31/2025   00:31:32   (  71.23, 166.69) 05/31/2025   00:31:19  (  71.23, 166.68)    0.21                13
 05/31/2025   01:22:16   ( -71.26, -26.06) 05/31/2025   01:22:23  ( -71.26, -26.03)    1.16                 7
 05/31/2025   02:13:02   (  71.23, 141.31) 05/31/2025   02:13:15  (  71.25, 141.24)    3.43                13
 05/31/2025   03:03:46   ( -71.27, -51.44) 05/31/2025   03:04:19  ( -71.29, -51.47)    2.48                33
 05/31/2025   03:54:33   (  71.28, 115.84) 05/31/2025   03:55:11  (  71.28, 115.80)    1.59                38
 05/31/2025   04:45:17   ( -71.32, -76.90) 05/31/2025   04:46:15  ( -71.31, -76.90)    0.99                58
 05/31/2025   05:36:04   (  71.34,  90.37) 05/31/2025   05:37:06  (  71.35,  90.46)    3.42                62
 05/31/2025   06:26:54   ( -71.68,-102.93) 05/31/2025   06:28:05  ( -71.64,-101.78)   40.55                71
 05/31/2025   07:17:44   (  71.86,  64.06) 05/31/2025   07:18:53  (  71.84,  65.88)   63.20                69