Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 7 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)
 08/03/2025   20:49:40   (  70.27,-136.36) 08/03/2025   20:48:30  (  70.29,-137.87)   56.43                70
 08/03/2025   21:40:32   ( -70.67,  30.32) 08/03/2025   21:39:17  ( -70.67,  30.04)   10.19                75
 08/03/2025   22:31:19   (  70.75,-162.50) 08/03/2025   22:30:17  (  70.77,-162.54)    2.73                62
 08/03/2025   23:22:03   ( -70.78,   4.76) 08/03/2025   23:21:10  ( -70.79,   4.76)    1.17                53
 08/04/2025   00:12:49   (  70.81, 172.03) 08/04/2025   00:12:12  (  70.79, 172.01)    2.13                37
 08/04/2025   01:03:34   ( -70.84, -20.70) 08/04/2025   01:03:06  ( -70.81, -20.69)    3.18                28
 08/04/2025   01:54:20   (  70.87, 146.56) 08/04/2025   01:54:07  (  70.86, 146.64)    3.17                13
 08/04/2025   02:45:04   ( -70.84, -46.09) 08/04/2025   02:45:02  ( -70.83, -46.14)    2.51                 2
 08/04/2025   03:35:50   (  70.87, 121.18) 08/04/2025   03:36:03  (  70.88, 121.19)    1.14                13
 08/04/2025   04:26:35   ( -70.90, -71.56) 08/04/2025   04:26:57  ( -70.90, -71.50)    1.96                22
 08/04/2025   05:17:20   (  70.88,  95.79) 08/04/2025   05:17:59  (  70.90,  95.74)    3.09                39
 08/04/2025   06:08:05   ( -70.90, -96.94) 08/04/2025   06:08:53  ( -70.92, -96.95)    1.44                48
 08/04/2025   06:58:51   (  70.93,  70.32) 08/04/2025   06:59:55  (  70.92,  70.29)    2.21                64
 08/04/2025   07:49:36   ( -70.96,-122.41) 08/04/2025   07:50:49  ( -70.93,-122.40)    2.97                73
 08/04/2025   08:40:32   (  71.51,  43.95) 08/04/2025   08:41:41  (  71.45,  45.76)   64.31                69