Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 7 26.  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  (  70.28,-137.88)   56.89                70
 08/03/2025   21:40:31   ( -70.62,  30.40) 08/03/2025   21:39:17  ( -70.66,  30.02)   14.32                74
 08/03/2025   22:31:19   (  70.75,-162.50) 08/03/2025   22:30:17  (  70.76,-162.56)    2.25                62
 08/03/2025   23:22:04   ( -70.78,   4.76) 08/03/2025   23:21:11  ( -70.78,   4.75)    0.65                53
 08/04/2025   00:12:50   (  70.81, 172.03) 08/04/2025   00:12:12  (  70.83, 172.08)    3.27                38
 08/04/2025   01:03:34   ( -70.79, -20.62) 08/04/2025   01:03:07  ( -70.80, -20.71)    3.15                27
 08/04/2025   01:54:21   (  70.87, 146.56) 08/04/2025   01:54:08  (  70.85, 146.63)    3.13                13
 08/04/2025   02:45:04   ( -70.85, -46.09) 08/04/2025   02:45:01  ( -70.87, -46.07)    2.60                 3
 08/04/2025   03:35:50   (  70.87, 121.17) 08/04/2025   03:36:03  (  70.87, 121.18)    0.24                13
 08/04/2025   04:26:35   ( -70.90, -71.56) 08/04/2025   04:26:57  ( -70.89, -71.52)    2.38                22
 08/04/2025   05:17:20   (  70.88,  95.79) 08/04/2025   05:17:59  (  70.89,  95.73)    2.71                39
 08/04/2025   06:08:05   ( -70.91, -96.94) 08/04/2025   06:08:53  ( -70.90, -96.97)    1.07                48
 08/04/2025   06:58:51   (  70.93,  70.32) 08/04/2025   06:59:54  (  70.96,  70.36)    3.12                63
 08/04/2025   07:49:36   ( -70.96,-122.41) 08/04/2025   07:50:48  ( -70.97,-122.33)    3.09                72
 08/04/2025   08:40:32   (  71.51,  43.95) 08/04/2025   08:41:41  (  71.44,  45.74)   63.93                69