Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 6 7.  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   ( -70.77, -25.27) 06/16/2025   01:21:05  ( -70.76, -26.24)   35.42                72
 06/16/2025   02:13:07   (  70.94, 141.75) 06/16/2025   02:11:53  (  70.97, 141.43)   12.17                74
 06/16/2025   03:03:53   ( -71.08, -51.17) 06/16/2025   03:02:55  ( -71.09, -51.14)    1.18                58
 06/16/2025   03:54:40   (  71.10, 116.10) 06/16/2025   03:53:47  (  71.10, 116.16)    2.25                53
 06/16/2025   04:45:23   ( -71.09, -76.55) 06/16/2025   04:44:51  ( -71.11, -76.59)    3.05                32
 06/16/2025   05:36:10   (  71.10,  90.72) 06/16/2025   05:35:43  (  71.12,  90.72)    2.11                27
 06/16/2025   06:26:54   ( -71.14,-102.02) 06/16/2025   06:26:47  ( -71.13,-102.03)    0.86                 7
 06/16/2025   07:17:41   (  71.16,  65.25) 06/16/2025   07:17:39  (  71.15,  65.28)    1.72                 2
 06/16/2025   08:08:24   ( -71.14,-127.40) 06/16/2025   08:08:43  ( -71.16,-127.47)    2.99                19
 06/16/2025   08:59:11   (  71.16,  39.87) 06/16/2025   08:59:35  (  71.17,  39.84)    1.53                24
 06/16/2025   09:49:55   ( -71.20,-152.87) 06/16/2025   09:50:39  ( -71.18,-152.92)    2.73                44
 06/16/2025   10:40:42   (  71.22,  14.40) 06/16/2025   10:41:31  (  71.19,  14.39)    2.74                49
 06/16/2025   11:31:26   ( -71.25,-178.34) 06/16/2025   11:32:34  ( -71.25,-178.27)    2.54                68
 06/16/2025   12:22:13   (  71.27, -11.07) 06/16/2025   12:23:26  (  71.27, -10.96)    4.03                73
 06/16/2025   13:13:10   ( -71.98, 154.98) 06/16/2025   13:14:17  ( -71.94, 157.53)   88.20                67