Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 9 4.  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)
 09/05/2023   03:39:33   (  70.99, 119.69) 09/05/2023   03:40:30  (  70.99, 119.64)    2.02                57
 09/05/2023   04:30:15   ( -70.91, -72.85) 09/05/2023   04:29:54  ( -70.92, -72.81)    2.09                21
 09/07/2023   16:33:29   (  70.97, -73.76) 09/07/2023   16:33:45  (  70.97, -73.73)    1.29                16
 09/07/2023   17:24:10   ( -70.84,  93.78) 09/07/2023   17:23:10  ( -70.85,  93.75)    2.15                60
 09/10/2023   04:36:40   ( -71.03, -74.65) 09/10/2023   04:37:37  ( -71.02, -74.65)    1.34                57
 09/10/2023   05:27:24   (  70.91,  92.85) 09/10/2023   05:27:00  (  70.92,  92.86)    0.94                24
 09/12/2023   16:40:07   (  71.84, -76.89) 09/12/2023   16:41:13  (  71.76, -74.45)   85.45                66
 09/12/2023   17:30:34   ( -70.97,  91.95) 09/12/2023   17:30:51  ( -70.95,  91.90)    3.37                17
 09/12/2023   18:21:18   (  70.86,-100.55) 09/12/2023   18:20:14  (  70.84,-100.59)    2.42                64
 09/15/2023   05:33:47   (  71.02,  91.08) 09/15/2023   05:34:40  (  71.00,  91.00)    3.05                53
 09/15/2023   06:24:29   ( -70.93,-101.45) 09/15/2023   06:24:05  ( -70.91,-101.49)    2.70                24
 09/17/2023   17:37:12   ( -71.81,  88.88) 09/17/2023   17:38:19  ( -71.70,  91.12)   78.96                67
 09/17/2023   18:27:42   (  70.98,-102.34) 09/17/2023   18:27:53  (  70.98,-102.36)    0.62                11
 09/17/2023   19:18:24   ( -70.89,  65.13) 09/17/2023   19:17:18  ( -70.89,  65.15)    0.90                66