Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and METOP-B
TLE Epoch: 2025 8 15.  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)
 08/15/2025   22:07:06   (  74.34,-163.53) 08/15/2025   22:06:17  (  74.36,-163.53)    1.90                49
 08/15/2025   22:57:51   ( -74.36,   3.73) 08/15/2025   22:56:59  ( -74.34,   3.74)    2.70                52
 08/15/2025   23:48:36   (  74.35, 171.08) 08/15/2025   23:47:39  (  74.34, 171.09)    0.55                57
 08/16/2025   00:39:20   ( -74.32, -21.53) 08/16/2025   00:38:21  ( -74.32, -21.64)    3.25                59
 08/16/2025   01:30:06   (  74.35, 145.69) 08/16/2025   01:29:01  (  74.33, 145.71)    2.84                65
 08/16/2025   02:20:50   ( -74.32, -46.92) 08/16/2025   02:19:43  ( -74.31, -47.02)    3.57                67
 08/16/2025   03:11:35   (  74.31, 120.43) 08/16/2025   03:10:23  (  74.31, 120.33)    3.10                72
 08/16/2025   04:02:19   ( -74.28, -72.18) 08/16/2025   04:01:05  ( -74.29, -72.40)    6.70                74
 08/16/2025   04:53:01   (  74.12,  95.54) 08/16/2025   04:51:49  (  74.10,  94.46)   33.04                72
 08/16/2025   05:43:43   ( -73.99, -96.83) 08/16/2025   05:42:33  ( -73.98, -98.50)   51.33                70
 08/16/2025   06:34:24   (  73.78,  71.00) 08/16/2025   06:33:17  (  73.78,  68.37)   81.69                67
 08/16/2025   07:25:07   ( -73.70,-121.51) 08/16/2025   07:24:01  ( -73.66,-124.58)   96.13                66