Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 7 25.  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  (  70.27,-137.89)   56.50                70
 08/03/2025   21:40:31   ( -70.64,  30.38) 08/03/2025   21:39:17  ( -70.65,  30.01)   13.51                74
 08/03/2025   22:31:19   (  70.77,-162.53) 08/03/2025   22:30:17  (  70.76,-162.57)    1.84                62
 08/03/2025   23:22:04   ( -70.80,   4.74) 08/03/2025   23:21:11  ( -70.77,   4.74)    2.47                53
 08/04/2025   00:12:50   (  70.82, 172.00) 08/04/2025   00:12:12  (  70.83, 172.07)    2.43                38
 08/04/2025   01:03:34   ( -70.80, -20.64) 08/04/2025   01:03:07  ( -70.79, -20.72)    2.75                27
 08/04/2025   01:54:20   (  70.83, 146.62) 08/04/2025   01:54:08  (  70.85, 146.62)    1.87                12
 08/04/2025   02:45:05   ( -70.86, -46.11) 08/04/2025   02:45:02  ( -70.86, -46.08)    1.37                 3
 08/04/2025   03:35:51   (  70.89, 121.15) 08/04/2025   03:36:04  (  70.86, 121.17)    2.51                13
 08/04/2025   04:26:35   ( -70.86, -71.50) 08/04/2025   04:26:58  ( -70.88, -71.53)    2.35                23
 08/04/2025   05:17:21   (  70.89,  95.77) 08/04/2025   05:18:00  (  70.88,  95.72)    2.15                39
 08/04/2025   06:08:06   ( -70.92, -96.97) 08/04/2025   06:08:54  ( -70.90, -96.98)    2.36                48
 08/04/2025   06:58:52   (  70.95,  70.30) 08/04/2025   06:59:55  (  70.95,  70.35)    2.07                63
 08/04/2025   07:49:36   ( -70.92,-122.35) 08/04/2025   07:50:50  ( -70.92,-122.43)    3.19                74
 08/04/2025   08:40:33   (  71.53,  43.92) 08/04/2025   08:41:42  (  71.43,  45.73)   64.70                69