Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 5 28.  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   ( -70.45,  76.80) 05/30/2025   18:34:52  ( -70.47,  74.54)   84.12                68
 05/30/2025   19:26:50   (  70.62,-116.17) 05/30/2025   19:25:41  (  70.61,-117.94)   65.22                69
 05/30/2025   20:17:44   ( -71.18,  50.21) 05/30/2025   20:16:35  ( -71.16,  50.25)    2.11                69
 05/30/2025   21:08:30   (  71.15,-142.42) 05/30/2025   21:07:27  (  71.15,-142.49)    2.43                63
 05/30/2025   21:59:14   ( -71.18,  24.84) 05/30/2025   21:58:31  ( -71.19,  24.81)    1.29                43
 05/30/2025   22:50:01   (  71.20,-167.89) 05/30/2025   22:49:23  (  71.18,-167.93)    2.84                38
 05/30/2025   23:40:45   ( -71.23,  -0.63) 05/30/2025   23:40:27  ( -71.21,  -0.63)    2.44                18
 05/31/2025   00:31:32   (  71.25, 166.64) 05/31/2025   00:31:18  (  71.25, 166.73)    3.02                14
 05/31/2025   01:22:15   ( -71.24, -26.01) 05/31/2025   01:22:23  ( -71.24, -26.07)    2.20                 8
 05/31/2025   02:13:02   (  71.26, 141.26) 05/31/2025   02:13:14  (  71.28, 141.29)    2.57                12
 05/31/2025   03:03:46   ( -71.29, -51.48) 05/31/2025   03:04:18  ( -71.31, -51.42)    3.32                32
 05/31/2025   03:54:33   (  71.31, 115.79) 05/31/2025   03:55:10  (  71.30, 115.85)    2.05                37
 05/31/2025   04:45:17   ( -71.34, -76.95) 05/31/2025   04:46:14  ( -71.34, -76.86)    3.27                57
 05/31/2025   05:36:03   (  71.31,  90.42) 05/31/2025   05:37:06  (  71.33,  90.41)    1.69                63
 05/31/2025   06:26:53   ( -71.66,-102.88) 05/31/2025   06:28:05  ( -71.62,-101.82)   37.18                72
 05/31/2025   07:17:44   (  71.88,  64.01) 05/31/2025   07:18:53  (  71.81,  65.83)   63.57                69