Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 7 27.  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   (  70.29,-136.39) 08/03/2025   20:48:30  (  70.26,-137.91)   57.22                70
 08/03/2025   21:40:31   ( -70.64,  30.37) 08/03/2025   21:39:17  ( -70.64,  29.99)   13.96                74
 08/03/2025   22:31:19   (  70.77,-162.53) 08/03/2025   22:30:16  (  70.79,-162.50)    2.89                63
 08/03/2025   23:22:04   ( -70.80,   4.73) 08/03/2025   23:21:10  ( -70.81,   4.80)    2.70                54
 08/04/2025   00:12:50   (  70.83, 172.00) 08/04/2025   00:12:12  (  70.81, 172.05)    2.44                38
 08/04/2025   01:03:34   ( -70.81, -20.65) 08/04/2025   01:03:06  ( -70.83, -20.65)    2.25                28
 08/04/2025   01:54:20   (  70.83, 146.61) 08/04/2025   01:54:08  (  70.83, 146.59)    0.78                12
 08/04/2025   02:45:05   ( -70.87, -46.12) 08/04/2025   02:45:02  ( -70.85, -46.10)    2.17                 3
 08/04/2025   03:35:51   (  70.89, 121.15) 08/04/2025   03:36:03  (  70.90, 121.23)    3.38                12
 08/04/2025   04:26:35   ( -70.87, -71.51) 08/04/2025   04:26:58  ( -70.86, -71.56)    1.94                23
 08/04/2025   05:17:21   (  70.90,  95.76) 08/04/2025   05:17:59  (  70.92,  95.78)    2.78                38
 08/04/2025   06:08:06   ( -70.93, -96.98) 08/04/2025   06:08:53  ( -70.93, -96.92)    2.20                47
 08/04/2025   06:58:52   (  70.95,  70.29) 08/04/2025   06:59:55  (  70.94,  70.33)    2.11                63
 08/04/2025   07:49:36   ( -70.93,-122.36) 08/04/2025   07:50:49  ( -70.95,-122.37)    2.37                73
 08/04/2025   08:40:32   (  71.48,  44.01) 08/04/2025   08:41:41  (  71.47,  45.80)   63.28                69