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   (  73.64,-175.76) 04/22/2025   23:03:15  (  73.65,-175.81)    1.99                26
 04/22/2025   23:53:32   ( -73.57,  -8.28) 04/22/2025   23:52:37  ( -73.56,  -8.33)    2.03                55
 04/25/2025   09:24:24   ( -73.67,-151.23) 04/25/2025   09:25:10  ( -73.66,-151.31)    2.74                46
 04/25/2025   10:15:08   (  73.61,  16.23) 04/25/2025   10:14:29  (  73.63,  16.28)    2.62                39
 04/27/2025   19:46:01   (  73.72,-126.75) 04/27/2025   19:47:02  (  73.74,-126.67)    3.10                61
 04/27/2025   20:36:44   ( -73.65,  40.74) 04/27/2025   20:36:25  ( -73.61,  40.73)    3.71                19
 04/30/2025   06:07:43   ( -74.06,-102.97) 04/30/2025   06:08:53  ( -73.96,-101.72)   40.06                70
 04/30/2025   06:58:20   (  73.66,  65.32) 04/30/2025   06:58:17  (  73.65,  65.28)    1.68                 3
 04/30/2025   07:48:55   ( -73.18,-126.30) 04/30/2025   07:47:45  ( -73.27,-127.83)   50.11                70
 05/02/2025   17:19:56   ( -73.71,  89.79) 05/02/2025   17:20:11  ( -73.69,  89.84)    3.04                15
 05/02/2025   18:10:39   (  73.60,-102.63) 05/02/2025   18:09:30  (  73.62,-102.62)    2.80                69
 05/05/2025   03:41:32   (  73.74, 114.34) 05/05/2025   03:42:01  (  73.74, 114.44)    3.28                29
 05/05/2025   04:32:14   ( -73.62, -78.07) 05/05/2025   04:31:24  ( -73.64, -78.11)    3.03                50