Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 5 3.  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   ( -70.93, 152.21) 05/14/2025   13:30:12  ( -70.89, 151.06)   42.14                72
 05/14/2025   14:22:15   (  71.19, -40.92) 05/14/2025   14:21:01  (  71.15, -41.20)   10.64                74
 05/14/2025   15:13:01   ( -71.29, 126.21) 05/14/2025   15:12:01  ( -71.27, 126.25)    3.14                60
 05/14/2025   16:03:47   (  71.29, -66.48) 05/14/2025   16:02:55  (  71.28, -66.45)    1.71                52
 05/14/2025   16:54:31   ( -71.30, 100.83) 05/14/2025   16:53:57  ( -71.30, 100.82)    0.51                34
 05/14/2025   17:45:17   (  71.30, -91.86) 05/14/2025   17:44:51  (  71.31, -91.89)    1.72                26
 05/14/2025   18:36:02   ( -71.35,  75.36) 05/14/2025   18:35:53  ( -71.32,  75.38)    3.00                 9
 05/14/2025   19:26:48   (  71.35,-117.33) 05/14/2025   19:26:47  (  71.33,-117.33)    1.72                 1
 05/14/2025   20:17:32   ( -71.35,  49.99) 05/14/2025   20:17:49  ( -71.35,  49.95)    1.43                17
 05/14/2025   21:08:18   (  71.35,-142.71) 05/14/2025   21:08:43  (  71.36,-142.76)    2.27                25
 05/14/2025   21:59:03   ( -71.40,  24.52) 05/14/2025   21:59:45  ( -71.38,  24.51)    3.16                42
 05/14/2025   22:49:49   (  71.40,-168.17) 05/14/2025   22:50:39  (  71.39,-168.20)    2.29                50
 05/14/2025   23:40:33   ( -71.41,  -0.86) 05/14/2025   23:41:41  ( -71.40,  -0.93)    2.34                68
 05/15/2025   00:31:21   (  71.51, 166.26) 05/15/2025   00:32:34  (  71.46, 166.46)    8.64                73
 05/15/2025   01:22:17   ( -72.13, -27.56) 05/15/2025   01:23:24  ( -72.09, -25.10)   84.23                67