Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 7 6.  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, -34.97) 07/18/2025   14:02:29  (  70.37, -36.55)   59.46                70
 07/18/2025   14:54:32   ( -70.81, 131.60) 07/18/2025   14:53:17  ( -70.82, 131.47)    4.77                75
 07/18/2025   15:45:19   (  70.87, -61.20) 07/18/2025   15:44:16  (  70.85, -61.22)    2.30                63
 07/18/2025   16:36:03   ( -70.87, 106.13) 07/18/2025   16:35:12  ( -70.89, 106.11)    2.67                51
 07/18/2025   17:26:50   (  70.93, -86.67) 07/18/2025   17:26:11  (  70.93, -86.58)    3.11                39
 07/18/2025   18:17:34   ( -70.93,  80.66) 07/18/2025   18:17:08  ( -70.91,  80.66)    1.49                26
 07/18/2025   19:08:20   (  70.93,-112.05) 07/18/2025   19:08:07  (  70.95,-112.03)    1.56                13
 07/18/2025   19:59:04   ( -70.93,  55.28) 07/18/2025   19:59:04  ( -70.93,  55.21)    2.55                 0
 07/18/2025   20:49:51   (  70.99,-137.52) 07/18/2025   20:50:03  (  70.97,-137.48)    2.99                12
 07/18/2025   21:40:35   ( -70.99,  29.81) 07/18/2025   21:40:59  ( -71.00,  29.85)    2.42                24
 07/18/2025   22:31:21   (  71.00,-162.90) 07/18/2025   22:31:59  (  70.99,-162.92)    1.23                38
 07/18/2025   23:22:06   ( -71.04,   4.34) 07/18/2025   23:22:55  ( -71.02,   4.40)    3.02                49
 07/19/2025   00:12:52   (  71.05, 171.63) 07/19/2025   00:13:54  (  71.06, 171.72)    3.27                62
 07/19/2025   01:03:37   ( -71.10, -21.13) 07/19/2025   01:04:50  ( -71.09, -20.96)    6.20                73
 07/19/2025   01:54:32   (  71.58, 145.34) 07/19/2025   01:55:41  (  71.54, 147.11)   62.28                69