Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 7 30.  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   (  70.28,-136.37) 08/03/2025   20:48:30  (  70.27,-137.89)   56.94                70
 08/03/2025   21:40:31   ( -70.63,  30.38) 08/03/2025   21:39:17  ( -70.65,  30.01)   13.96                74
 08/03/2025   22:31:19   (  70.76,-162.51) 08/03/2025   22:30:17  (  70.76,-162.56)    1.97                62
 08/03/2025   23:22:04   ( -70.79,   4.75) 08/03/2025   23:21:11  ( -70.77,   4.73)    2.35                53
 08/04/2025   00:12:50   (  70.81, 172.02) 08/04/2025   00:12:12  (  70.83, 172.07)    2.53                38
 08/04/2025   01:03:34   ( -70.80, -20.64) 08/04/2025   01:03:07  ( -70.79, -20.72)    3.12                27
 08/04/2025   01:54:20   (  70.82, 146.64) 08/04/2025   01:54:08  (  70.85, 146.62)    3.20                12
 08/04/2025   02:45:05   ( -70.85, -46.11) 08/04/2025   02:45:02  ( -70.86, -46.08)    1.03                 3
 08/04/2025   03:35:50   (  70.88, 121.17) 08/04/2025   03:36:03  (  70.87, 121.17)    1.20                13
 08/04/2025   04:26:34   ( -70.86, -71.49) 08/04/2025   04:26:57  ( -70.88, -71.53)    2.69                23
 08/04/2025   05:17:20   (  70.88,  95.79) 08/04/2025   05:17:59  (  70.88,  95.72)    2.45                39
 08/04/2025   06:08:05   ( -70.92, -96.96) 08/04/2025   06:08:53  ( -70.90, -96.99)    2.45                48
 08/04/2025   06:58:51   (  70.94,  70.31) 08/04/2025   06:59:54  (  70.95,  70.36)    2.27                63
 08/04/2025   07:49:36   ( -70.97,-122.43) 08/04/2025   07:50:48  ( -70.97,-122.35)    2.98                72
 08/04/2025   08:40:32   (  71.52,  43.94) 08/04/2025   08:41:41  (  71.44,  45.73)   64.03                69