Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 6 4.  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)
 06/16/2025   01:22:17   ( -70.79, -25.31) 06/16/2025   01:21:04  ( -70.82, -26.13)   30.15                73
 06/16/2025   02:13:07   (  70.97, 141.70) 06/16/2025   02:11:53  (  70.98, 141.44)    9.54                74
 06/16/2025   03:03:53   ( -71.11, -51.21) 06/16/2025   03:02:55  ( -71.10, -51.13)    3.43                58
 06/16/2025   03:54:39   (  71.08, 116.14) 06/16/2025   03:53:47  (  71.11, 116.17)    3.18                52
 06/16/2025   04:45:23   ( -71.11, -76.59) 06/16/2025   04:44:51  ( -71.12, -76.57)    1.19                32
 06/16/2025   05:36:10   (  71.14,  90.67) 06/16/2025   05:35:43  (  71.13,  90.73)    2.27                27
 06/16/2025   06:26:53   ( -71.12,-101.97) 06/16/2025   06:26:47  ( -71.14,-102.01)    3.27                 6
 06/16/2025   07:17:40   (  71.14,  65.29) 06/16/2025   07:17:39  (  71.15,  65.29)    1.54                 1
 06/16/2025   08:08:24   ( -71.17,-127.44) 06/16/2025   08:08:43  ( -71.16,-127.46)    0.80                19
 06/16/2025   08:59:11   (  71.19,  39.82) 06/16/2025   08:59:35  (  71.18,  39.85)    2.27                24
 06/16/2025   09:49:54   ( -71.17,-152.82) 06/16/2025   09:50:39  ( -71.19,-152.90)    3.09                45
 06/16/2025   10:40:41   (  71.20,  14.44) 06/16/2025   10:41:31  (  71.20,  14.40)    1.29                50
 06/16/2025   11:31:25   ( -71.23,-178.29) 06/16/2025   11:32:35  ( -71.21,-178.34)    2.76                70
 06/16/2025   12:22:13   (  71.31, -11.12) 06/16/2025   12:23:26  (  71.27, -10.94)    7.21                73
 06/16/2025   13:13:10   ( -72.01, 154.93) 06/16/2025   13:14:17  ( -71.95, 157.55)   90.58                67