Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2024 3 20.  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)
 04/01/2024   13:31:19   (  72.87, -31.63) 04/01/2024   13:30:13  (  72.87, -34.46)   92.79                66
 04/01/2024   14:22:13   ( -73.36, 134.63) 04/01/2024   14:21:00  ( -73.35, 133.89)   23.73                73
 04/01/2024   15:13:02   (  73.53, -58.45) 04/01/2024   15:11:58  (  73.53, -58.44)    0.44                64
 04/01/2024   16:03:47   ( -73.56, 108.80) 04/01/2024   16:02:54  ( -73.55, 108.90)    3.06                53
 04/01/2024   16:54:32   (  73.53, -83.83) 04/01/2024   16:53:56  (  73.54, -83.90)    2.35                36
 04/01/2024   17:45:17   ( -73.56,  83.42) 04/01/2024   17:44:52  ( -73.57,  83.44)    1.04                25
 04/01/2024   18:36:03   (  73.58,-109.33) 04/01/2024   18:35:53  (  73.60,-109.24)    3.37                10
 04/01/2024   19:26:47   ( -73.56,  58.04) 04/01/2024   19:26:50  ( -73.58,  57.98)    2.83                 3
 04/01/2024   20:17:33   (  73.58,-134.71) 04/01/2024   20:17:51  (  73.61,-134.70)    3.06                18
 04/01/2024   21:08:18   ( -73.61,  32.54) 04/01/2024   21:08:48  ( -73.59,  32.52)    2.49                30
 04/01/2024   21:59:04   (  73.64,-160.20) 04/01/2024   21:59:49  (  73.62,-160.16)    1.91                45
 04/01/2024   22:49:48   ( -73.62,   7.16) 04/01/2024   22:50:46  ( -73.60,   7.06)    3.55                58
 04/01/2024   23:40:34   (  73.64, 174.42) 04/01/2024   23:41:47  (  73.64, 174.38)    1.30                73
 04/02/2024   00:31:26   ( -74.01, -19.16) 04/02/2024   00:32:36  ( -74.00, -17.43)   53.15                70