Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 7 22.  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,-136.37) 08/03/2025   20:48:30  (  70.28,-137.88)   57.04                70
 08/03/2025   21:40:32   ( -70.67,  30.32) 08/03/2025   21:39:17  ( -70.66,  30.02)   10.90                75
 08/03/2025   22:31:19   (  70.75,-162.50) 08/03/2025   22:30:17  (  70.76,-162.56)    2.30                62
 08/03/2025   23:22:04   ( -70.78,   4.77) 08/03/2025   23:21:11  ( -70.78,   4.75)    0.74                53
 08/04/2025   00:12:50   (  70.81, 172.03) 08/04/2025   00:12:12  (  70.83, 172.08)    3.06                38
 08/04/2025   01:03:35   ( -70.84, -20.70) 08/04/2025   01:03:06  ( -70.85, -20.62)    3.63                29
 08/04/2025   01:54:21   (  70.87, 146.56) 08/04/2025   01:54:08  (  70.85, 146.62)    3.07                13
 08/04/2025   02:45:05   ( -70.84, -46.08) 08/04/2025   02:45:02  ( -70.87, -46.07)    3.34                 3
 08/04/2025   03:35:51   (  70.87, 121.17) 08/04/2025   03:36:04  (  70.87, 121.17)    0.31                13
 08/04/2025   04:26:36   ( -70.90, -71.55) 08/04/2025   04:26:58  ( -70.89, -71.52)    1.61                22
 08/04/2025   05:17:21   (  70.88,  95.79) 08/04/2025   05:18:00  (  70.89,  95.72)    2.82                39
 08/04/2025   06:08:06   ( -70.90, -96.94) 08/04/2025   06:08:54  ( -70.91, -96.97)    1.36                48
 08/04/2025   06:58:52   (  70.93,  70.32) 08/04/2025   06:59:55  (  70.96,  70.36)    2.99                63
 08/04/2025   07:49:37   ( -70.96,-122.41) 08/04/2025   07:50:49  ( -70.98,-122.33)    3.31                72
 08/04/2025   08:40:33   (  71.51,  43.95) 08/04/2025   08:41:42  (  71.44,  45.74)   63.77                69