Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and METOP-B
TLE Epoch: 2025 4 20.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-21) NOAA-21 Lat/Lon Date Time(METOP-B) METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 05/03/2025   14:28:58   (  74.68, -49.84) 05/03/2025   14:30:05  (  74.62, -47.33)   74.07                67
 05/03/2025   15:19:40   ( -74.56, 117.81) 05/03/2025   15:20:49  ( -74.53, 119.74)   57.26                69
 05/03/2025   16:10:21   (  74.35, -74.34) 05/03/2025   16:11:33  (  74.31, -73.48)   26.41                72
 05/03/2025   17:01:04   ( -74.28,  93.17) 05/03/2025   17:02:17  ( -74.21,  93.60)   15.17                73
 05/03/2025   17:51:47   (  74.17, -99.25) 05/03/2025   17:52:58  (  74.14, -99.24)    3.31                71
 05/03/2025   18:42:31   ( -74.14,  68.13) 05/03/2025   18:43:40  ( -74.14,  68.09)    1.11                69
 05/03/2025   19:33:16   (  74.13,-124.53) 05/03/2025   19:34:20  (  74.12,-124.62)    3.15                64
 05/03/2025   20:24:01   ( -74.16,  42.73) 05/03/2025   20:25:02  ( -74.13,  42.71)    3.64                61
 05/03/2025   21:14:46   (  74.15,-149.94) 05/03/2025   21:15:41  (  74.15,-149.89)    1.52                55
 05/03/2025   22:05:30   ( -74.12,  17.44) 05/03/2025   22:06:23  ( -74.16,  17.44)    3.82                53
 05/03/2025   22:56:15   (  74.11,-175.22) 05/03/2025   22:57:03  (  74.13,-175.28)    3.13                48
 05/03/2025   23:47:00   ( -74.13,  -7.96) 05/03/2025   23:47:45  ( -74.14,  -7.95)    0.58                45
 05/04/2025   00:37:45   (  74.12, 159.38) 05/04/2025   00:38:25  (  74.11, 159.33)    1.62                40
 05/04/2025   01:28:30   ( -74.15, -33.37) 05/04/2025   01:29:07  ( -74.12, -33.33)    3.37                37
 05/04/2025   02:19:15   (  74.14, 133.97) 05/04/2025   02:19:46  (  74.14, 134.07)    3.11                31