Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 7 10.  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, -34.96) 07/18/2025   14:02:29  (  70.36, -36.56)   60.17                70
 07/18/2025   14:54:32   ( -70.81, 131.60) 07/18/2025   14:53:17  ( -70.81, 131.45)    5.39                75
 07/18/2025   15:45:19   (  70.87, -61.19) 07/18/2025   15:44:16  (  70.85, -61.23)    2.83                63
 07/18/2025   16:36:03   ( -70.87, 106.13) 07/18/2025   16:35:12  ( -70.88, 106.09)    2.08                51
 07/18/2025   17:26:50   (  70.93, -86.66) 07/18/2025   17:26:11  (  70.92, -86.59)    2.42                39
 07/18/2025   18:17:34   ( -70.92,  80.66) 07/18/2025   18:17:08  ( -70.90,  80.64)    2.70                26
 07/18/2025   19:08:20   (  70.93,-112.04) 07/18/2025   19:08:07  (  70.94,-112.04)    1.24                13
 07/18/2025   19:59:05   ( -70.98,  55.19) 07/18/2025   19:59:03  ( -70.97,  55.28)    3.28                 2
 07/18/2025   20:49:51   (  70.99,-137.51) 07/18/2025   20:50:03  (  70.96,-137.49)    2.86                12
 07/18/2025   21:40:35   ( -70.98,  29.81) 07/18/2025   21:40:59  ( -70.99,  29.83)    1.11                24
 07/18/2025   22:31:21   (  70.99,-162.89) 07/18/2025   22:31:59  (  70.98,-162.93)    1.95                38
 07/18/2025   23:22:05   ( -70.99,   4.43) 07/18/2025   23:22:55  ( -71.01,   4.38)    3.14                50
 07/19/2025   00:12:52   (  71.05, 171.64) 07/19/2025   00:13:54  (  71.05, 171.71)    2.49                62
 07/19/2025   01:03:37   ( -71.10, -21.13) 07/19/2025   01:04:50  ( -71.08, -20.98)    5.63                73
 07/19/2025   01:54:32   (  71.57, 145.35) 07/19/2025   01:55:41  (  71.53, 147.10)   61.51                69