Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 5 5.  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   ( -70.94, 152.19) 05/14/2025   13:30:12  ( -70.88, 151.05)   42.04                72
 05/14/2025   14:22:15   (  71.19, -40.93) 05/14/2025   14:21:01  (  71.15, -41.20)   10.67                74
 05/14/2025   15:13:00   ( -71.25, 126.29) 05/14/2025   15:12:01  ( -71.27, 126.25)    2.41                59
 05/14/2025   16:03:47   (  71.30, -66.49) 05/14/2025   16:02:55  (  71.28, -66.45)    2.40                52
 05/14/2025   16:54:31   ( -71.30, 100.82) 05/14/2025   16:53:57  ( -71.29, 100.81)    1.02                34
 05/14/2025   17:45:17   (  71.30, -91.87) 05/14/2025   17:44:51  (  71.31, -91.89)    1.07                26
 05/14/2025   18:36:01   ( -71.31,  75.44) 05/14/2025   18:35:53  ( -71.32,  75.38)    2.94                 8
 05/14/2025   19:26:48   (  71.35,-117.34) 05/14/2025   19:26:47  (  71.33,-117.33)    2.36                 1
 05/14/2025   20:17:32   ( -71.36,  49.97) 05/14/2025   20:17:49  ( -71.35,  49.94)    1.64                17
 05/14/2025   21:08:18   (  71.36,-142.71) 05/14/2025   21:08:43  (  71.36,-142.76)    1.80                25
 05/14/2025   21:59:02   ( -71.36,  24.60) 05/14/2025   21:59:45  ( -71.37,  24.51)    3.60                43
 05/14/2025   22:49:49   (  71.41,-168.18) 05/14/2025   22:50:39  (  71.39,-168.20)    2.74                50
 05/14/2025   23:40:33   ( -71.41,  -0.87) 05/14/2025   23:41:41  ( -71.40,  -0.93)    2.43                68
 05/15/2025   00:31:21   (  71.51, 166.25) 05/15/2025   00:32:34  (  71.46, 166.46)    9.21                73
 05/15/2025   01:22:17   ( -72.13, -27.58) 05/15/2025   01:23:24  ( -72.09, -25.11)   84.57                67