Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 5 17.  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)
 05/30/2025   18:36:00   ( -70.42,  76.84) 05/30/2025   18:34:53  ( -70.39,  74.41)   90.72                67
 05/30/2025   19:26:50   (  70.60,-116.15) 05/30/2025   19:25:41  (  70.57,-118.00)   68.48                69
 05/30/2025   20:17:44   ( -71.15,  50.26) 05/30/2025   20:16:35  ( -71.14,  50.20)    2.59                69
 05/30/2025   21:08:31   (  71.18,-142.48) 05/30/2025   21:07:26  (  71.17,-142.46)    1.76                65
 05/30/2025   21:59:15   ( -71.20,  24.80) 05/30/2025   21:58:30  ( -71.21,  24.85)    2.31                45
 05/30/2025   22:50:01   (  71.18,-167.86) 05/30/2025   22:49:22  (  71.19,-167.90)    1.60                39
 05/30/2025   23:40:45   ( -71.21,  -0.58) 05/30/2025   23:40:26  ( -71.24,  -0.59)    3.42                19
 05/31/2025   00:31:32   (  71.24, 166.67) 05/31/2025   00:31:18  (  71.22, 166.66)    2.38                14
 05/31/2025   01:22:16   ( -71.26, -26.05) 05/31/2025   01:22:22  ( -71.26, -26.03)    0.89                 6
 05/31/2025   02:13:02   (  71.24, 141.29) 05/31/2025   02:13:14  (  71.24, 141.22)    2.49                12
 05/31/2025   03:03:46   ( -71.26, -51.43) 05/31/2025   03:04:18  ( -71.28, -51.47)    2.89                32