Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 12 21.  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)
 12/22/2023   04:56:49   (  71.87,  98.81) 12/22/2023   04:57:59  (  71.75, 100.09)   46.11                70
 12/22/2023   05:47:23   ( -71.36, -92.95) 12/22/2023   05:47:29  ( -71.33, -92.94)    3.28                 6
 12/22/2023   06:38:05   (  71.15,  74.73) 12/22/2023   06:36:53  (  71.18,  74.48)    9.60                72
 12/24/2023   17:50:35   (  71.38, -93.79) 12/24/2023   17:50:51  (  71.35, -93.78)    3.68                16
 12/24/2023   18:41:16   ( -71.24,  73.79) 12/24/2023   18:40:15  ( -71.26,  73.73)    3.30                61
 12/27/2023   05:53:44   ( -71.38, -94.56) 12/27/2023   05:54:13  ( -71.41, -94.57)    3.47                29
 12/27/2023   06:44:28   (  71.27,  72.94) 12/27/2023   06:43:36  (  71.30,  72.92)    2.94                52
 12/29/2023   17:56:55   (  71.42, -95.43) 12/29/2023   17:57:33  (  71.41, -95.44)    1.64                38
 12/29/2023   18:47:37   ( -71.32,  72.06) 12/29/2023   18:46:57  ( -71.32,  72.09)    1.01                40
 01/01/2024   06:00:04   ( -71.43, -96.23) 01/01/2024   06:00:54  ( -71.46, -96.22)    3.40                50
 01/01/2024   06:50:48   (  71.33,  71.26) 01/01/2024   06:50:17  (  71.34,  71.24)    1.41                31
 01/03/2024   18:03:15   (  71.44, -97.05) 01/03/2024   18:04:14  (  71.44, -97.12)    2.74                59
 01/03/2024   18:53:57   ( -71.34,  70.45) 01/03/2024   18:53:38  ( -71.36,  70.41)    2.52                19