Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 12 12.  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)
 12/12/2023   04:43:56   (  71.34, 102.95) 12/12/2023   04:44:29  (  71.36, 102.98)    2.58                33
 12/12/2023   05:34:38   ( -71.24, -89.57) 12/12/2023   05:33:54  ( -71.22, -89.58)    2.73                44
 12/14/2023   16:47:07   ( -71.39, 102.07) 12/14/2023   16:47:55  ( -71.36, 102.10)    2.86                48
 12/14/2023   17:37:51   (  71.28, -90.43) 12/14/2023   17:37:18  (  71.26, -90.41)    3.07                33
 12/17/2023   04:50:19   (  71.38, 101.28) 12/17/2023   04:51:19  (  71.38, 101.25)    1.21                60
 12/17/2023   05:41:01   ( -71.28, -91.22) 12/17/2023   05:40:43  ( -71.30, -91.23)    1.89                18
 12/19/2023   16:53:30   ( -71.49, 100.31) 12/19/2023   16:54:42  ( -71.47, 100.50)    7.03                72
 12/19/2023   17:44:12   (  71.28, -92.02) 12/19/2023   17:44:06  (  71.30, -92.11)    3.63                 6
 12/19/2023   18:34:47   ( -70.82,  76.09) 12/19/2023   18:33:36  ( -70.89,  74.91)   43.52                71
 12/22/2023   04:56:50   (  71.91,  98.74) 12/22/2023   04:57:59  (  71.83, 100.22)   51.71                69
 12/22/2023   05:47:23   ( -71.34, -92.91) 12/22/2023   05:47:30  ( -71.37, -92.89)    3.27                 7
 12/22/2023   06:38:06   (  71.19,  74.66) 12/22/2023   06:36:54  (  71.20,  74.51)    5.64                72
 12/24/2023   17:50:36   (  71.40, -93.82) 12/24/2023   17:50:53  (  71.39, -93.73)    3.60                17
 12/24/2023   18:41:17   ( -71.25,  73.77) 12/24/2023   18:40:18  ( -71.25,  73.71)    2.28                59