Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 6 11.  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   ( -70.75, -25.24) 06/16/2025   01:21:05  ( -70.76, -26.22)   35.92                72
 06/16/2025   02:13:08   (  70.97, 141.69) 06/16/2025   02:11:54  (  70.93, 141.36)   13.06                74
 06/16/2025   03:03:53   ( -71.07, -51.14) 06/16/2025   03:02:55  ( -71.09, -51.13)    3.25                58
 06/16/2025   03:54:40   (  71.08, 116.14) 06/16/2025   03:53:48  (  71.06, 116.09)    2.82                52
 06/16/2025   04:45:24   ( -71.12, -76.61) 06/16/2025   04:44:51  ( -71.12, -76.57)    1.48                33
 06/16/2025   05:36:11   (  71.14,  90.67) 06/16/2025   05:35:43  (  71.13,  90.74)    2.60                28
 06/16/2025   06:26:54   ( -71.12,-101.99) 06/16/2025   06:26:47  ( -71.14,-102.01)    2.04                 7
 06/16/2025   07:17:41   (  71.14,  65.29) 06/16/2025   07:17:39  (  71.16,  65.30)    2.14                 2
 06/16/2025   08:08:25   ( -71.18,-127.46) 06/16/2025   08:08:43  ( -71.16,-127.46)    1.71                18
 06/16/2025   08:59:12   (  71.19,  39.82) 06/16/2025   08:59:35  (  71.18,  39.86)    1.94                23
 06/16/2025   09:49:55   ( -71.18,-152.84) 06/16/2025   09:50:39  ( -71.19,-152.90)    2.28                44
 06/16/2025   10:40:42   (  71.20,  14.44) 06/16/2025   10:41:31  (  71.20,  14.41)    1.24                49
 06/16/2025   11:31:26   ( -71.24,-178.31) 06/16/2025   11:32:35  ( -71.21,-178.34)    3.32                69
 06/16/2025   12:22:13   (  71.25, -11.03) 06/16/2025   12:23:27  (  71.23, -11.03)    2.73                74
 06/16/2025   13:13:10   ( -71.96, 155.01) 06/16/2025   13:14:17  ( -71.94, 157.55)   87.57                67