Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 12 11.  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   (  71.33, 102.96) 12/12/2023   04:44:30  (  71.31, 102.91)    2.85                34
 12/12/2023   05:34:38   ( -71.23, -89.55) 12/12/2023   05:33:54  ( -71.23, -89.57)    0.94                44
 12/14/2023   16:47:07   ( -71.38, 102.09) 12/14/2023   16:47:55  ( -71.37, 102.12)    1.32                48
 12/14/2023   17:37:51   (  71.28, -90.42) 12/14/2023   17:37:18  (  71.26, -90.39)    1.69                33
 12/17/2023   04:50:18   (  71.38, 101.29) 12/17/2023   04:51:18  (  71.39, 101.26)    1.90                60
 12/17/2023   05:41:00   ( -71.28, -91.21) 12/17/2023   05:40:42  ( -71.31, -91.21)    3.61                18
 12/19/2023   16:53:31   ( -71.54, 100.22) 12/19/2023   16:54:42  ( -71.47, 100.51)   12.19                71
 12/19/2023   17:44:13   (  71.33, -92.11) 12/19/2023   17:44:06  (  71.31, -92.09)    2.66                 7
 12/19/2023   18:34:47   ( -70.81,  76.09) 12/19/2023   18:33:36  ( -70.90,  74.93)   43.50                71
 12/22/2023   04:56:50   (  71.91,  98.74) 12/22/2023   04:57:59  (  71.84, 100.23)   52.09                69
 12/22/2023   05:47:23   ( -71.34, -92.91) 12/22/2023   05:47:31  ( -71.32, -92.96)    2.52                 8
 12/22/2023   06:38:06   (  71.19,  74.66) 12/22/2023   06:36:54  (  71.21,  74.52)    5.41                72
 12/24/2023   17:50:35   (  71.36, -93.74) 12/24/2023   17:50:54  (  71.34, -93.81)    3.25                19
 12/24/2023   18:41:17   ( -71.25,  73.77) 12/24/2023   18:40:18  ( -71.26,  73.72)    1.88                59