Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 10 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)
 10/07/2023   21:25:17   ( -71.14,  32.99) 10/07/2023   21:26:15  ( -71.14,  33.03)    1.86                58
 10/07/2023   22:16:01   (  71.02,-159.51) 10/07/2023   22:15:38  (  70.99,-159.53)    3.17                23
 10/10/2023   09:28:39   (  71.75,  31.10) 10/10/2023   09:29:47  (  71.68,  32.95)   65.12                68
 10/10/2023   10:19:10   ( -71.09,-160.42) 10/10/2023   10:19:22  ( -71.07,-160.38)    2.71                12
 10/10/2023   11:09:54   (  70.98,   7.08) 10/10/2023   11:08:44  (  70.97,   7.13)    2.39                70
 10/12/2023   22:22:20   (  71.10,-161.23) 10/12/2023   22:23:02  (  71.12,-161.25)    1.81                42
 10/12/2023   23:13:02   ( -71.01,   6.25) 10/12/2023   23:12:28  ( -71.01,   6.22)    0.99                34
 10/15/2023   10:25:31   ( -71.35,-162.43) 10/15/2023   10:26:42  ( -71.28,-161.96)   18.47                71
 10/15/2023   11:16:11   (  71.04,   5.41) 10/15/2023   11:16:06  (  71.06,   5.36)    2.56                 5
 10/15/2023   12:06:48   ( -70.68, 173.32) 10/15/2023   12:05:36  ( -70.73, 172.51)   30.30                72
 10/17/2023   23:19:20   ( -71.14,   4.46) 10/17/2023   23:19:48  ( -71.12,   4.50)    2.33                28
 10/18/2023   00:10:03   (  70.99, 172.02) 10/18/2023   00:09:10  (  71.00, 171.98)    1.95                53