Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 7 23.  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   (  70.31,-136.42) 08/03/2025   20:48:29  (  70.30,-137.84)   53.51                71
 08/03/2025   21:40:31   ( -70.65,  30.35) 08/03/2025   21:39:17  ( -70.63,  29.98)   13.87                74
 08/03/2025   22:31:19   (  70.79,-162.56) 08/03/2025   22:30:16  (  70.79,-162.52)    1.48                63
 08/03/2025   23:22:04   ( -70.81,   4.71) 08/03/2025   23:21:10  ( -70.80,   4.79)    3.06                54
 08/04/2025   00:12:49   (  70.79, 172.06) 08/04/2025   00:12:12  (  70.80, 172.03)    1.78                37
 08/04/2025   01:03:34   ( -70.82, -20.67) 08/04/2025   01:03:06  ( -70.82, -20.66)    0.58                28
 08/04/2025   01:54:20   (  70.85, 146.59) 08/04/2025   01:54:08  (  70.82, 146.58)    2.91                12
 08/04/2025   02:45:04   ( -70.82, -46.06) 08/04/2025   02:45:02  ( -70.84, -46.12)    2.94                 2
 08/04/2025   03:35:50   (  70.85, 121.21) 08/04/2025   03:36:04  (  70.84, 121.13)    3.22                14
 08/04/2025   04:26:35   ( -70.88, -71.52) 08/04/2025   04:26:58  ( -70.86, -71.57)    2.81                23
 08/04/2025   05:17:21   (  70.91,  95.74) 08/04/2025   05:17:59  (  70.91,  95.76)    1.02                38
 08/04/2025   06:08:06   ( -70.94, -96.99) 08/04/2025   06:08:53  ( -70.93, -96.93)    2.50                47
 08/04/2025   06:58:51   (  70.92,  70.35) 08/04/2025   06:59:55  (  70.93,  70.31)    2.12                64
 08/04/2025   07:49:36   ( -70.94,-122.38) 08/04/2025   07:50:49  ( -70.95,-122.38)    0.61                73
 08/04/2025   08:40:32   (  71.49,  43.98) 08/04/2025   08:41:41  (  71.46,  45.78)   63.75                69