Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2025 4 27.  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)
 04/27/2025   19:46:16   (  73.72,-126.80) 04/27/2025   19:47:03  (  73.70,-126.76)    2.51                47
 04/27/2025   20:36:58   ( -73.60,  40.79) 04/27/2025   20:36:25  ( -73.62,  40.74)    2.93                33
 04/30/2025   06:07:59   ( -73.70,-102.19) 04/30/2025   06:08:58  ( -73.70,-102.28)    2.90                59
 04/30/2025   06:58:43   (  73.62,  65.31) 04/30/2025   06:58:17  (  73.65,  65.28)    3.28                26
 05/02/2025   16:29:44   (  73.73, -77.70) 05/02/2025   16:30:49  (  73.73, -77.73)    1.01                65
 05/02/2025   17:20:27   ( -73.66,  89.78) 05/02/2025   17:20:11  ( -73.67,  89.81)    1.54                16
 05/05/2025   02:51:29   ( -73.88, -53.48) 05/05/2025   02:52:40  ( -73.83, -53.04)   14.67                71
 05/05/2025   03:42:10   (  73.65, 114.37) 05/05/2025   03:42:01  (  73.66, 114.27)    3.33                 9
 05/05/2025   04:32:41   ( -72.98, -76.82) 05/05/2025   04:31:34  ( -73.02, -79.34)   81.98                67
 05/07/2025   13:13:17   (  74.07, -29.39) 05/07/2025   13:14:27  (  73.98, -28.22)   37.41                70
 05/07/2025   14:03:54   ( -73.71, 138.80) 05/07/2025   14:03:53  ( -73.73, 138.90)    3.47                 1
 05/07/2025   14:54:29   (  73.18, -52.68) 05/07/2025   14:53:20  (  73.22, -54.45)   57.20                69
 05/09/2025   23:35:07   ( -74.43,  -5.74) 05/09/2025   23:36:13  ( -74.33,  -2.95)   84.36                66
 05/10/2025   00:25:38   (  73.72, 163.35) 05/10/2025   00:25:42  (  73.72, 163.39)    1.47                 4