Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 12 10.  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)    2.23                33
 12/12/2023   05:34:38   ( -71.24, -89.56) 12/12/2023   05:33:54  ( -71.22, -89.58)    2.56                44
 12/14/2023   16:47:07   ( -71.39, 102.07) 12/14/2023   16:47:55  ( -71.36, 102.10)    2.73                48
 12/14/2023   17:37:50   (  71.23, -90.35) 12/14/2023   17:37:18  (  71.26, -90.41)    3.29                32
 12/17/2023   04:50:19   (  71.39, 101.28) 12/17/2023   04:51:19  (  71.38, 101.25)    1.16                60
 12/17/2023   05:41:01   ( -71.28, -91.22) 12/17/2023   05:40:43  ( -71.30, -91.23)    1.86                18
 12/19/2023   16:53:30   ( -71.49, 100.30) 12/19/2023   16:54:42  ( -71.46, 100.49)    7.28                72
 12/19/2023   17:44:12   (  71.29, -92.03) 12/19/2023   17:44:06  (  71.30, -92.11)    3.09                 6
 12/19/2023   18:34:47   ( -70.82,  76.08) 12/19/2023   18:33:36  ( -70.89,  74.91)   43.34                71
 12/22/2023   04:56:50   (  71.91,  98.73) 12/22/2023   04:57:59  (  71.82, 100.21)   52.13                69
 12/22/2023   05:47:23   ( -71.34, -92.92) 12/22/2023   05:47:30  ( -71.36, -92.89)    2.43                 7
 12/22/2023   06:38:06   (  71.19,  74.65) 12/22/2023   06:36:54  (  71.19,  74.50)    5.30                72