Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 6 8.  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   ( -70.78, -25.30) 06/16/2025   01:21:05  ( -70.77, -26.20)   33.24                73
 06/16/2025   02:13:08   (  70.96, 141.72) 06/16/2025   02:11:54  (  70.94, 141.37)   12.91                74
 06/16/2025   03:03:54   ( -71.10, -51.20) 06/16/2025   03:02:55  ( -71.10, -51.11)    3.26                59
 06/16/2025   03:54:40   (  71.06, 116.16) 06/16/2025   03:53:48  (  71.07, 116.11)    2.14                52
 06/16/2025   04:45:24   ( -71.10, -76.58) 06/16/2025   04:44:51  ( -71.13, -76.55)    2.95                33
 06/16/2025   05:36:11   (  71.12,  90.70) 06/16/2025   05:35:43  (  71.14,  90.75)    3.20                28
 06/16/2025   06:26:55   ( -71.16,-102.05) 06/16/2025   06:26:47  ( -71.15,-102.00)    1.94                 8
 06/16/2025   07:17:42   (  71.17,  65.23) 06/16/2025   07:17:39  (  71.16,  65.31)    3.24                 3
 06/16/2025   08:08:25   ( -71.16,-127.43) 06/16/2025   08:08:43  ( -71.17,-127.44)    1.52                18
 06/16/2025   08:59:12   (  71.18,  39.85) 06/16/2025   08:59:35  (  71.19,  39.87)    1.35                23
 06/16/2025   09:49:56   ( -71.21,-152.90) 06/16/2025   09:50:39  ( -71.19,-152.88)    2.18                43
 06/16/2025   10:40:43   (  71.23,  14.38) 06/16/2025   10:41:31  (  71.21,  14.43)    3.02                48
 06/16/2025   11:31:26   ( -71.22,-178.28) 06/16/2025   11:32:35  ( -71.22,-178.33)    1.87                69
 06/16/2025   12:22:13   (  71.24, -11.00) 06/16/2025   12:23:27  (  71.23, -11.02)    0.54                74
 06/16/2025   13:13:10   ( -71.94, 155.04) 06/16/2025   13:14:18  ( -71.90, 157.47)   83.78                68