Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 5 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)
 05/14/2025   13:31:24   ( -70.88, 152.29) 05/14/2025   13:30:13  ( -70.87, 151.03)   45.93                71
 05/14/2025   14:22:16   (  71.18, -40.92) 05/14/2025   14:21:02  (  71.14, -41.22)   11.67                74
 05/14/2025   15:13:01   ( -71.25, 126.29) 05/14/2025   15:12:02  ( -71.25, 126.22)    2.59                59
 05/14/2025   16:03:48   (  71.29, -66.47) 05/14/2025   16:02:56  (  71.27, -66.47)    1.76                52
 05/14/2025   16:54:32   ( -71.30, 100.82) 05/14/2025   16:53:58  ( -71.28, 100.79)    2.54                34
 05/14/2025   17:45:18   (  71.29, -91.85) 05/14/2025   17:44:52  (  71.30, -91.91)    2.25                26
 05/14/2025   18:36:03   ( -71.35,  75.36) 05/14/2025   18:35:53  ( -71.36,  75.44)    3.14                10
 05/14/2025   19:26:49   (  71.34,-117.32) 05/14/2025   19:26:48  (  71.32,-117.34)    2.19                 1
 05/14/2025   20:17:33   ( -71.35,  49.98) 05/14/2025   20:17:50  ( -71.33,  49.91)    3.20                17
 05/14/2025   21:08:19   (  71.34,-142.70) 05/14/2025   21:08:44  (  71.35,-142.78)    3.12                25
 05/14/2025   21:59:04   ( -71.41,  24.51) 05/14/2025   21:59:45  ( -71.41,  24.57)    2.23                41
 05/14/2025   22:49:50   (  71.40,-168.16) 05/14/2025   22:50:40  (  71.38,-168.22)    2.93                50
 05/14/2025   23:40:33   ( -71.41,  -0.87) 05/14/2025   23:41:40  ( -71.44,  -0.86)    3.35                67
 05/15/2025   00:31:21   (  71.50, 166.27) 05/15/2025   00:32:34  (  71.45, 166.44)    7.91                73
 05/15/2025   01:22:16   ( -72.08, -27.47) 05/15/2025   01:23:24  ( -72.07, -25.14)   79.96                68