Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2025 6 13.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-21) NOAA-21 Lat/Lon Date Time(TERRA) TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 06/15/2025   11:51:29   ( -74.35, 170.36) 06/15/2025   11:52:38  ( -74.22, 171.98)   50.75                69
 06/15/2025   12:42:06   (  73.88, -21.16) 06/15/2025   12:42:02  (  73.90, -21.06)    3.85                 4
 06/15/2025   13:32:40   ( -73.42, 147.25) 06/15/2025   13:31:30  ( -73.52, 145.80)   47.09                70
 06/17/2025   22:13:12   (  74.32,-165.00) 06/17/2025   22:14:21  (  74.25,-163.43)   47.86                69
 06/17/2025   23:03:46   ( -73.86,   3.48) 06/17/2025   23:03:49  ( -73.87,   3.38)    3.24                 3
 06/17/2025   23:54:24   (  73.44, 171.77) 06/17/2025   23:53:14  (  73.49, 170.26)   48.09                70
 06/20/2025   08:34:56   ( -74.49,-140.85) 06/20/2025   08:36:04  ( -74.40,-138.59)   68.31                68
 06/20/2025   09:25:30   (  73.88,  27.98) 06/20/2025   09:25:32  (  73.87,  27.91)    2.94                 2
 06/20/2025   10:16:08   ( -73.61,-164.05) 06/20/2025   10:14:56  ( -73.69,-164.81)   25.36                72
 06/22/2025   18:56:38   (  74.48,-116.26) 06/22/2025   18:57:46  (  74.38,-114.11)   64.99                68
 06/22/2025   19:47:10   ( -73.91,  52.51) 06/22/2025   19:47:16  ( -73.88,  52.45)    3.39                 6
 06/22/2025   20:37:50   (  73.59,-139.44) 06/22/2025   20:36:38  (  73.67,-140.33)   28.94                72
 06/25/2025   05:18:22   ( -74.64, -92.11) 06/25/2025   05:19:28  ( -74.51, -89.28)   85.05                66
 06/25/2025   06:08:53   (  73.90,  77.09) 06/25/2025   06:08:58  (  73.89,  76.99)    3.52                 5