Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 9 6.  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)
 09/07/2023   16:33:29   (  70.98, -73.78) 09/07/2023   16:33:45  (  70.96, -73.74)    2.36                16
 09/07/2023   17:24:10   ( -70.85,  93.76) 09/07/2023   17:23:10  ( -70.85,  93.73)    1.19                60
 09/10/2023   04:36:40   ( -71.04, -74.67) 09/10/2023   04:37:37  ( -71.02, -74.66)    2.04                57
 09/10/2023   05:27:24   (  70.92,  92.84) 09/10/2023   05:27:00  (  70.92,  92.86)    1.04                24
 09/12/2023   16:40:08   (  71.84, -76.90) 09/12/2023   16:41:15  (  71.72, -74.52)   83.84                67
 09/12/2023   17:30:35   ( -70.98,  91.95) 09/12/2023   17:30:52  ( -70.96,  91.92)    1.99                17
 09/12/2023   18:21:19   (  70.86,-100.55) 09/12/2023   18:20:15  (  70.86,-100.57)    0.93                64
 09/15/2023   05:33:47   (  71.01,  91.08) 09/15/2023   05:34:40  (  71.04,  91.05)    2.72                53
 09/15/2023   06:24:29   ( -70.92,-101.45) 09/15/2023   06:24:05  ( -70.93,-101.45)    1.23                24
 09/17/2023   17:37:12   ( -71.80,  88.89) 09/17/2023   17:38:19  ( -71.74,  91.19)   80.09                67
 09/17/2023   18:27:42   (  70.97,-102.33) 09/17/2023   18:27:54  (  70.98,-102.38)    1.84                12
 09/17/2023   19:18:24   ( -70.88,  65.14) 09/17/2023   19:17:19  ( -70.88,  65.13)    0.72                65