Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 7 13.  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   (  70.33, -34.94) 07/18/2025   14:02:29  (  70.37, -36.56)   60.44                70
 07/18/2025   14:54:32   ( -70.81, 131.61) 07/18/2025   14:53:17  ( -70.81, 131.46)    5.55                75
 07/18/2025   15:45:19   (  70.86, -61.17) 07/18/2025   15:44:16  (  70.85, -61.22)    2.01                63
 07/18/2025   16:36:03   ( -70.86, 106.14) 07/18/2025   16:35:12  ( -70.88, 106.10)    2.79                51
 07/18/2025   17:26:50   (  70.92, -86.64) 07/18/2025   17:26:11  (  70.93, -86.58)    2.34                39
 07/18/2025   18:17:34   ( -70.92,  80.67) 07/18/2025   18:17:08  ( -70.90,  80.65)    2.00                26
 07/18/2025   19:08:20   (  70.92,-112.02) 07/18/2025   19:08:07  (  70.95,-112.03)    2.69                13
 07/18/2025   19:59:05   ( -70.98,  55.20) 07/18/2025   19:59:03  ( -70.97,  55.29)    3.03                 2
 07/18/2025   20:49:51   (  70.98,-137.49) 07/18/2025   20:50:03  (  70.97,-137.48)    1.45                12
 07/18/2025   21:40:34   ( -70.98,  29.82) 07/18/2025   21:40:58  ( -70.99,  29.84)    1.72                24
 07/18/2025   22:31:20   (  70.98,-162.87) 07/18/2025   22:31:58  (  70.99,-162.93)    1.94                38
 07/18/2025   23:22:05   ( -71.04,   4.35) 07/18/2025   23:22:54  ( -71.01,   4.39)    2.75                49
 07/19/2025   00:12:51   (  71.04, 171.66) 07/19/2025   00:13:53  (  71.06, 171.72)    3.04                62
 07/19/2025   01:03:36   ( -71.09, -21.12) 07/19/2025   01:04:49  ( -71.08, -20.97)    5.35                73
 07/19/2025   01:54:31   (  71.56, 145.37) 07/19/2025   01:55:40  (  71.54, 147.10)   61.24                69