Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 7 18.  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   14:03:40   (  70.38, -35.03) 07/18/2025   14:02:29  (  70.37, -36.55)   56.99                71
 07/18/2025   14:54:32   ( -70.81, 131.60) 07/18/2025   14:53:17  ( -70.81, 131.45)    5.34                75
 07/18/2025   15:45:19   (  70.86, -61.17) 07/18/2025   15:44:16  (  70.86, -61.22)    1.74                63
 07/18/2025   16:36:03   ( -70.87, 106.13) 07/18/2025   16:35:12  ( -70.88, 106.09)    1.94                51
 07/18/2025   17:26:50   (  70.92, -86.64) 07/18/2025   17:26:11  (  70.93, -86.58)    2.62                39
 07/18/2025   18:17:34   ( -70.93,  80.66) 07/18/2025   18:17:08  ( -70.90,  80.64)    2.82                26
 07/18/2025   19:08:20   (  70.92,-112.02) 07/18/2025   19:08:07  (  70.95,-112.02)    2.99                13
 07/18/2025   19:59:04   ( -70.93,  55.28) 07/18/2025   19:59:04  ( -70.92,  55.19)    3.35                 0
 07/18/2025   20:49:51   (  70.98,-137.49) 07/18/2025   20:50:03  (  70.97,-137.47)    1.25                12
 07/18/2025   21:40:34   ( -70.99,  29.81) 07/18/2025   21:40:58  ( -70.99,  29.83)    1.03                24
 07/18/2025   22:31:20   (  70.98,-162.87) 07/18/2025   22:31:58  (  70.99,-162.92)    1.86                38
 07/18/2025   23:22:04   ( -70.99,   4.43) 07/18/2025   23:22:54  ( -71.01,   4.38)    2.93                50
 07/19/2025   00:12:51   (  71.04, 171.66) 07/19/2025   00:13:54  (  71.01, 171.63)    3.40                63
 07/19/2025   01:03:36   ( -71.10, -21.13) 07/19/2025   01:04:49  ( -71.08, -20.97)    5.77                73
 07/19/2025   01:54:31   (  71.56, 145.37) 07/19/2025   01:55:40  (  71.54, 147.11)   61.43                69