Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 9 9.  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)
 09/10/2023   04:36:39   ( -71.01, -74.62) 09/10/2023   04:37:37  ( -70.99, -74.69)    3.14                58
 09/10/2023   05:27:23   (  70.89,  92.90) 09/10/2023   05:27:00  (  70.90,  92.83)    3.20                23
 09/12/2023   16:40:08   (  71.86, -76.94) 09/12/2023   16:41:14  (  71.76, -74.46)   86.91                66
 09/12/2023   17:30:35   ( -71.00,  91.91) 09/12/2023   17:30:51  ( -70.99,  91.97)    2.52                16
 09/12/2023   18:21:19   (  70.88,-100.58) 09/12/2023   18:20:14  (  70.90,-100.52)    2.89                65
 09/15/2023   05:33:48   (  71.04,  91.04) 09/15/2023   05:34:41  (  71.02,  91.02)    2.25                53
 09/15/2023   06:24:29   ( -70.90,-101.41) 09/15/2023   06:24:06  ( -70.91,-101.49)    3.30                23
 09/17/2023   17:37:13   ( -71.84,  88.84) 09/17/2023   17:38:20  ( -71.73,  91.16)   81.66                67
 09/17/2023   18:27:43   (  71.00,-102.37) 09/17/2023   18:27:54  (  71.02,-102.31)    3.27                11
 09/17/2023   19:18:24   ( -70.86,  65.18) 09/17/2023   19:17:20  ( -70.87,  65.11)    2.82                64
 09/20/2023   06:30:53   ( -71.08,-103.30) 09/20/2023   06:31:44  ( -71.06,-103.24)    2.78                51
 09/20/2023   07:21:37   (  70.97,  64.20) 09/20/2023   07:21:07  (  70.94,  64.24)    3.15                30
 09/22/2023   18:34:16   (  71.66,-105.13) 09/22/2023   18:35:24  (  71.54,-103.46)   60.36                68
 09/22/2023   19:24:47   ( -71.00,  63.35) 09/22/2023   19:24:57  ( -71.02,  63.37)    2.81                10
 09/22/2023   20:15:31   (  70.89,-129.16) 09/22/2023   20:14:20  (  70.89,-129.16)    0.56                71