Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 6 14.  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   01:22:18   ( -70.79, -25.30) 06/16/2025   01:21:05  ( -70.78, -26.20)   32.87                73
 06/16/2025   02:13:08   (  70.95, 141.73) 06/16/2025   02:11:54  (  70.95, 141.38)   12.46                74
 06/16/2025   03:03:53   ( -71.05, -51.12) 06/16/2025   03:02:56  ( -71.06, -51.20)    2.95                57
 06/16/2025   03:54:40   (  71.06, 116.17) 06/16/2025   03:53:48  (  71.08, 116.12)    2.36                52
 06/16/2025   04:45:24   ( -71.11, -76.58) 06/16/2025   04:44:51  ( -71.13, -76.55)    3.04                33
 06/16/2025   05:36:11   (  71.12,  90.70) 06/16/2025   05:35:44  (  71.10,  90.68)    2.19                27
 06/16/2025   06:26:55   ( -71.16,-102.05) 06/16/2025   06:26:47  ( -71.15,-101.99)    2.34                 8
 06/16/2025   07:17:41   (  71.12,  65.32) 06/16/2025   07:17:40  (  71.12,  65.24)    3.11                 1
 06/16/2025   08:08:25   ( -71.16,-127.43) 06/16/2025   08:08:43  ( -71.18,-127.43)    1.37                18
 06/16/2025   08:59:12   (  71.17,  39.85) 06/16/2025   08:59:35  (  71.20,  39.89)    2.61                23
 06/16/2025   09:49:56   ( -71.22,-152.90) 06/16/2025   09:50:39  ( -71.20,-152.88)    2.37                43
 06/16/2025   10:40:43   (  71.23,  14.38) 06/16/2025   10:41:31  (  71.22,  14.44)    2.45                48
 06/16/2025   11:31:26   ( -71.22,-178.28) 06/16/2025   11:32:35  ( -71.22,-178.32)    1.45                69
 06/16/2025   12:22:12   (  71.23, -11.00) 06/16/2025   12:23:26  (  71.24, -11.00)    1.00                74
 06/16/2025   13:13:10   ( -72.00, 154.94) 06/16/2025   13:14:17  ( -71.90, 157.48)   87.90                67