Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 12 30.  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)
 01/01/2024   06:00:04   ( -71.44, -96.25) 01/01/2024   06:00:53  ( -71.46, -96.22)    2.88                49
 01/01/2024   06:50:48   (  71.33,  71.26) 01/01/2024   06:50:16  (  71.35,  71.26)    2.88                32
 01/03/2024   18:03:15   (  71.44, -97.05) 01/03/2024   18:04:13  (  71.45, -97.11)    2.29                58
 01/03/2024   18:53:57   ( -71.35,  70.43) 01/03/2024   18:53:37  ( -71.36,  70.41)    1.47                20
 01/06/2024   06:06:24   ( -71.47, -97.88) 01/06/2024   06:07:33  ( -71.49, -97.91)    1.98                69
 01/06/2024   06:57:08   (  71.37,  69.61) 01/06/2024   06:56:56  (  71.37,  69.56)    2.03                12
 01/06/2024   07:47:39   ( -70.70,-121.94) 01/06/2024   07:46:30  ( -70.75,-123.75)   66.55                69
 01/08/2024   18:09:38   (  71.65, -99.00) 01/08/2024   18:10:50  (  71.57, -98.64)   15.85                72
 01/08/2024   19:00:17   ( -71.40,  68.77) 01/08/2024   19:00:16  ( -71.39,  68.73)    2.11                 1
 01/08/2024   19:50:54   (  70.93,-123.12) 01/08/2024   19:49:44  (  70.99,-124.24)   41.33                70
 01/11/2024   06:12:53   ( -72.06,-100.53) 01/11/2024   06:14:02  ( -71.95, -98.87)   58.33                69
 01/11/2024   07:03:27   (  71.44,  67.91) 01/11/2024   07:03:32  (  71.43,  67.94)    1.13                 5
 01/11/2024   07:54:09   ( -71.34,-124.60) 01/11/2024   07:52:57  ( -71.32,-124.59)    3.04                72