Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2025 10 20.  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)
 10/22/2025   07:18:13   (  74.52,  58.25) 10/22/2025   07:19:05  (  74.50,  58.30)    2.19                52
 10/22/2025   08:08:55   ( -74.45,-134.25) 10/22/2025   08:08:26  ( -74.43,-134.19)    2.31                29
 10/24/2025   17:39:48   ( -74.51,  82.87) 10/24/2025   17:40:29  ( -74.49,  82.87)    2.23                41
 10/24/2025   18:30:33   (  74.45,-109.66) 10/24/2025   18:29:48  (  74.45,-109.55)    3.34                45
 10/27/2025   04:01:25   (  74.48, 107.55) 10/27/2025   04:01:51  (  74.47, 107.44)    3.50                26
 10/27/2025   04:52:08   ( -74.45, -85.05) 10/27/2025   04:51:11  ( -74.45, -84.94)    3.30                57
 10/29/2025   14:23:00   ( -74.48, 132.15) 10/29/2025   14:23:13  ( -74.49, 132.08)    2.36                13
 10/29/2025   15:13:45   (  74.43, -60.40) 10/29/2025   15:12:32  (  74.45, -60.34)    3.07                73
 10/31/2025   23:53:59   ( -74.85, -11.58) 10/31/2025   23:55:10  ( -74.74, -10.37)   37.49                71
 11/01/2025   00:44:38   (  74.52, 156.64) 11/01/2025   00:44:33  (  74.50, 156.73)    3.13                 5