Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 5 23.  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   18:36:01   ( -70.47,  76.77) 05/30/2025   18:34:53  ( -70.45,  74.51)   83.79                68
 05/30/2025   19:26:51   (  70.65,-116.22) 05/30/2025   19:25:41  (  70.64,-117.89)   61.51                70
 05/30/2025   20:17:44   ( -71.15,  50.27) 05/30/2025   20:16:36  ( -71.15,  50.22)    1.71                68
 05/30/2025   21:08:31   (  71.17,-142.47) 05/30/2025   21:07:27  (  71.18,-142.43)    1.91                64
 05/30/2025   21:59:15   ( -71.20,  24.80) 05/30/2025   21:58:32  ( -71.17,  24.78)    3.23                43
 05/30/2025   22:50:02   (  71.23,-167.94) 05/30/2025   22:49:23  (  71.21,-167.87)    3.11                39
 05/30/2025   23:40:45   ( -71.20,  -0.58) 05/30/2025   23:40:28  ( -71.20,  -0.66)    2.95                17
 05/31/2025   00:31:32   (  71.23, 166.68) 05/31/2025   00:31:19  (  71.23, 166.69)    0.61                13
 05/31/2025   01:22:16   ( -71.26, -26.05) 05/31/2025   01:22:23  ( -71.27, -26.01)    2.35                 7
 05/31/2025   02:13:03   (  71.28, 141.22) 05/31/2025   02:13:15  (  71.26, 141.25)    2.98                12
 05/31/2025   03:03:47   ( -71.31, -51.52) 05/31/2025   03:04:19  ( -71.30, -51.45)    2.84                32
 05/31/2025   03:54:33   (  71.28, 115.84) 05/31/2025   03:55:11  (  71.28, 115.81)    0.93                38
 05/31/2025   04:45:17   ( -71.31, -76.89) 05/31/2025   04:46:15  ( -71.32, -76.88)    1.23                58
 05/31/2025   05:36:04   (  71.34,  90.37) 05/31/2025   05:37:07  (  71.31,  90.37)    3.44                63
 05/31/2025   06:26:54   ( -71.68,-102.92) 05/31/2025   06:28:05  ( -71.65,-101.76)   40.68                71
 05/31/2025   07:17:44   (  71.86,  64.06) 05/31/2025   07:18:53  (  71.84,  65.89)   63.63                69