Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 5 4.  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   ( -70.90, 152.25) 05/14/2025   13:30:12  ( -70.90, 151.08)   42.64                72
 05/14/2025   14:22:15   (  71.16, -40.88) 05/14/2025   14:21:01  (  71.17, -41.18)   10.65                74
 05/14/2025   15:13:01   ( -71.27, 126.25) 05/14/2025   15:12:01  ( -71.28, 126.27)    1.67                60
 05/14/2025   16:03:47   (  71.27, -66.44) 05/14/2025   16:02:55  (  71.30, -66.43)    3.04                52
 05/14/2025   16:54:32   ( -71.32, 100.78) 05/14/2025   16:53:57  ( -71.31, 100.84)    2.45                35
 05/14/2025   17:45:18   (  71.32, -91.90) 05/14/2025   17:44:51  (  71.32, -91.87)    1.41                27
 05/14/2025   18:36:02   ( -71.32,  75.41) 05/14/2025   18:35:53  ( -71.34,  75.40)    1.25                 9
 05/14/2025   19:26:48   (  71.32,-117.28) 05/14/2025   19:26:47  (  71.35,-117.30)    2.74                 1
 05/14/2025   20:17:33   ( -71.38,  49.94) 05/14/2025   20:17:49  ( -71.36,  49.97)    2.01                16
 05/14/2025   21:08:19   (  71.38,-142.75) 05/14/2025   21:08:43  (  71.37,-142.74)    0.60                24
 05/14/2025   21:59:03   ( -71.38,  24.56) 05/14/2025   21:59:45  ( -71.39,  24.53)    1.48                42
 05/14/2025   22:49:49   (  71.38,-168.13) 05/14/2025   22:50:39  (  71.40,-168.18)    2.82                50
 05/14/2025   23:40:34   ( -71.43,  -0.91) 05/14/2025   23:41:41  ( -71.41,  -0.90)    1.98                67
 05/15/2025   00:31:21   (  71.48, 166.31) 05/15/2025   00:32:34  (  71.48, 166.48)    6.12                73
 05/15/2025   01:22:17   ( -72.10, -27.52) 05/15/2025   01:23:25  ( -72.05, -25.18)   80.19                68