Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2025 4 22.  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)
 04/22/2025   23:02:49   (  73.67,-175.82) 04/22/2025   23:03:14  (  73.67,-175.76)    2.02                25
 04/22/2025   23:53:32   ( -73.59,  -8.34) 04/22/2025   23:52:36  ( -73.58,  -8.28)    2.10                56
 04/25/2025   09:24:25   ( -73.70,-151.29) 04/25/2025   09:25:10  ( -73.69,-151.27)    1.62                45
 04/25/2025   10:15:08   (  73.58,  16.28) 04/25/2025   10:14:30  (  73.60,  16.22)    2.42                38
 04/27/2025   19:46:01   (  73.70,-126.69) 04/27/2025   19:47:03  (  73.70,-126.75)    1.87                62
 04/27/2025   20:36:44   ( -73.62,  40.79) 04/27/2025   20:36:25  ( -73.63,  40.77)    1.26                19
 04/30/2025   06:07:43   ( -74.04,-102.92) 04/30/2025   06:08:54  ( -73.93,-101.80)   36.56                71
 04/30/2025   06:58:21   (  73.68,  65.26) 04/30/2025   06:58:17  (  73.66,  65.30)    3.02                 4
 04/30/2025   07:48:55   ( -73.16,-126.24) 04/30/2025   07:47:46  ( -73.23,-127.91)   54.04                69
 05/02/2025   17:19:56   ( -73.69,  89.85) 05/02/2025   17:20:11  ( -73.69,  89.86)    0.74                15
 05/02/2025   18:10:40   (  73.63,-102.69) 05/02/2025   18:09:30  (  73.63,-102.61)    2.69                70
 05/05/2025   03:41:31   (  73.71, 114.39) 05/05/2025   03:42:00  (  73.74, 114.44)    2.84                29
 05/05/2025   04:32:14   ( -73.64, -78.13) 05/05/2025   04:31:23  ( -73.64, -78.11)    0.78                51