Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2025 4 23.  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)
 04/25/2025   09:24:31   ( -73.69,-151.31) 04/25/2025   09:25:10  ( -73.69,-151.25)    1.80                39
 04/25/2025   10:15:15   (  73.62,  16.18) 04/25/2025   10:14:30  (  73.60,  16.24)    2.49                45
 04/27/2025   19:46:16   (  73.71,-126.78) 04/27/2025   19:47:03  (  73.72,-126.72)    2.27                47
 04/27/2025   20:36:59   ( -73.63,  40.71) 04/27/2025   20:36:25  ( -73.65,  40.79)    2.93                34
 04/30/2025   06:08:00   ( -73.73,-102.26) 04/30/2025   06:08:58  ( -73.73,-102.21)    1.75                58
 04/30/2025   06:58:44   (  73.65,  65.22) 04/30/2025   06:58:18  (  73.63,  65.24)    3.11                26
 05/02/2025   16:29:43   (  73.71, -77.65) 05/02/2025   16:30:49  (  73.73, -77.74)    3.46                66
 05/02/2025   17:20:27   ( -73.69,  89.72) 05/02/2025   17:20:11  ( -73.67,  89.80)    3.12                16
 05/05/2025   02:51:30   ( -73.90, -53.53) 05/05/2025   02:52:42  ( -73.80, -53.11)   16.94                72
 05/05/2025   03:42:11   (  73.67, 114.32) 05/05/2025   03:42:02  (  73.67, 114.30)    0.60                 9
 05/05/2025   04:32:42   ( -73.00, -76.86) 05/05/2025   04:31:35  ( -73.04, -79.30)   79.36                67
 05/07/2025   13:13:19   (  74.14, -29.56) 05/07/2025   13:14:28  (  74.02, -28.14)   45.19                69
 05/07/2025   14:03:55   ( -73.72, 138.77) 05/07/2025   14:03:55  ( -73.72, 138.87)    3.22                 0