Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 7 7.  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   (  70.36, -34.98) 07/18/2025   14:02:29  (  70.36, -36.57)   59.42                70
 07/18/2025   14:54:32   ( -70.83, 131.58) 07/18/2025   14:53:17  ( -70.81, 131.45)    5.03                75
 07/18/2025   15:45:19   (  70.89, -61.21) 07/18/2025   15:44:15  (  70.90, -61.15)    2.58                64
 07/18/2025   16:36:03   ( -70.88, 106.11) 07/18/2025   16:35:12  ( -70.88, 106.09)    0.78                51
 07/18/2025   17:26:49   (  70.89, -86.60) 07/18/2025   17:26:11  (  70.92, -86.60)    2.96                38
 07/18/2025   18:17:34   ( -70.94,  80.64) 07/18/2025   18:17:07  ( -70.95,  80.73)    3.54                27
 07/18/2025   19:08:20   (  70.95,-112.07) 07/18/2025   19:08:07  (  70.94,-112.05)    1.24                13
 07/18/2025   19:59:04   ( -70.94,  55.26) 07/18/2025   19:59:03  ( -70.97,  55.28)    3.41                 1
 07/18/2025   20:49:50   (  70.95,-137.45) 07/18/2025   20:50:03  (  70.96,-137.50)    1.90                13
 07/18/2025   21:40:35   ( -71.00,  29.79) 07/18/2025   21:40:59  ( -70.99,  29.83)    1.59                24
 07/18/2025   22:31:21   (  71.01,-162.92) 07/18/2025   22:31:59  (  70.98,-162.94)    3.38                38
 07/18/2025   23:22:05   ( -71.00,   4.41) 07/18/2025   23:22:55  ( -71.01,   4.38)    1.45                50
 07/19/2025   00:12:52   (  71.06, 171.61) 07/19/2025   00:13:54  (  71.05, 171.70)    3.49                62
 07/19/2025   01:03:37   ( -71.11, -21.15) 07/19/2025   01:04:50  ( -71.08, -20.98)    6.89                73
 07/19/2025   01:54:32   (  71.59, 145.32) 07/19/2025   01:55:41  (  71.53, 147.09)   62.47                69