Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 12 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)
 12/27/2023   05:53:44   ( -71.40, -94.59) 12/27/2023   05:54:12  ( -71.42, -94.55)    3.11                28
 12/27/2023   06:44:28   (  71.29,  72.91) 12/27/2023   06:43:36  (  71.26,  72.86)    3.03                52
 12/29/2023   17:56:56   (  71.44, -95.46) 12/29/2023   17:57:33  (  71.41, -95.43)    3.21                37
 12/29/2023   18:47:37   ( -71.30,  72.11) 12/29/2023   18:46:57  ( -71.32,  72.08)    3.04                40
 01/01/2024   06:00:04   ( -71.46, -96.28) 01/01/2024   06:00:53  ( -71.44, -96.25)    1.89                49
 01/01/2024   06:50:48   (  71.35,  71.22) 01/01/2024   06:50:16  (  71.33,  71.22)    2.45                32
 01/03/2024   18:03:15   (  71.47, -97.09) 01/03/2024   18:04:12  (  71.46, -97.09)    0.91                57
 01/03/2024   18:53:57   ( -71.37,  70.39) 01/03/2024   18:53:36  ( -71.38,  70.44)    1.85                21
 01/06/2024   06:06:24   ( -71.50, -97.93) 01/06/2024   06:07:32  ( -71.49, -97.91)    1.86                68
 01/06/2024   06:57:08   (  71.40,  69.56) 01/06/2024   06:56:54  (  71.41,  69.64)    3.12                14
 01/06/2024   07:47:38   ( -70.68,-121.90) 01/06/2024   07:46:29  ( -70.74,-123.75)   68.47                69
 01/08/2024   18:09:37   (  71.64, -98.97) 01/08/2024   18:10:48  (  71.59, -98.60)   14.12                71
 01/08/2024   19:00:16   ( -71.39,  68.80) 01/08/2024   19:00:14  ( -71.41,  68.77)    2.89                 2