Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 7 17.  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)
 07/18/2025   14:03:39   (  70.34, -34.95) 07/18/2025   14:02:29  (  70.36, -36.56)   60.15                70
 07/18/2025   14:54:32   ( -70.82, 131.59) 07/18/2025   14:53:17  ( -70.81, 131.44)    5.48                75
 07/18/2025   15:45:19   (  70.87, -61.18) 07/18/2025   15:44:16  (  70.85, -61.23)    2.48                63
 07/18/2025   16:36:03   ( -70.88, 106.12) 07/18/2025   16:35:12  ( -70.88, 106.08)    1.37                51
 07/18/2025   17:26:50   (  70.92, -86.65) 07/18/2025   17:26:11  (  70.92, -86.59)    2.41                39
 07/18/2025   18:17:34   ( -70.93,  80.65) 07/18/2025   18:17:07  ( -70.95,  80.72)    3.19                27
 07/18/2025   19:08:20   (  70.93,-112.03) 07/18/2025   19:08:07  (  70.94,-112.03)    1.60                13
 07/18/2025   19:59:04   ( -70.94,  55.27) 07/18/2025   19:59:03  ( -70.97,  55.27)    3.61                 1
 07/18/2025   20:49:51   (  70.99,-137.50) 07/18/2025   20:50:03  (  70.96,-137.48)    2.54                12
 07/18/2025   21:40:35   ( -70.99,  29.80) 07/18/2025   21:40:59  ( -70.99,  29.83)    0.95                24
 07/18/2025   22:31:21   (  70.99,-162.89) 07/18/2025   22:31:59  (  70.98,-162.93)    1.74                38
 07/18/2025   23:22:05   ( -71.00,   4.42) 07/18/2025   23:22:55  ( -71.01,   4.38)    2.06                50
 07/19/2025   00:12:52   (  71.05, 171.64) 07/19/2025   00:13:54  (  71.06, 171.71)    2.67                62
 07/19/2025   01:03:37   ( -71.10, -21.14) 07/19/2025   01:04:50  ( -71.08, -20.98)    6.26                73
 07/19/2025   01:54:32   (  71.57, 145.35) 07/19/2025   01:55:41  (  71.54, 147.10)   61.58                69