Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 10 7.  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   ( -71.13,  32.99) 10/07/2023   21:26:15  ( -71.14,  33.04)    2.01                58
 10/07/2023   22:16:01   (  71.02,-159.51) 10/07/2023   22:15:38  (  71.00,-159.53)    2.47                23
 10/10/2023   09:28:39   (  71.75,  31.10) 10/10/2023   09:29:47  (  71.68,  32.95)   64.83                68
 10/10/2023   10:19:10   ( -71.09,-160.41) 10/10/2023   10:19:22  ( -71.07,-160.38)    2.51                12
 10/10/2023   11:09:54   (  70.98,   7.08) 10/10/2023   11:08:44  (  70.97,   7.13)    1.97                70
 10/12/2023   22:22:19   (  71.10,-161.22) 10/12/2023   22:23:01  (  71.11,-161.26)    1.95                42
 10/12/2023   23:13:01   ( -71.01,   6.25) 10/12/2023   23:12:27  ( -71.00,   6.21)    1.65                34
 10/15/2023   10:25:31   ( -71.35,-162.43) 10/15/2023   10:26:42  ( -71.27,-161.98)   18.22                71
 10/15/2023   11:16:11   (  71.04,   5.41) 10/15/2023   11:16:06  (  71.04,   5.34)    2.84                 5
 10/15/2023   12:06:48   ( -70.68, 173.32) 10/15/2023   12:05:36  ( -70.72, 172.49)   30.95                72
 10/17/2023   23:19:19   ( -71.08,   4.55) 10/17/2023   23:19:48  ( -71.10,   4.47)    3.56                29
 10/18/2023   00:10:03   (  70.99, 172.03) 10/18/2023   00:09:10  (  70.98, 171.95)    2.88                53
 10/20/2023   11:22:29   (  71.15,   3.65) 10/20/2023   11:23:25  (  71.15,   3.61)    1.66                56
 10/20/2023   12:13:11   ( -71.04, 171.15) 10/20/2023   12:12:51  ( -71.05, 171.10)    1.89                20