Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 10 10.  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)
 10/10/2023   09:28:39   (  71.77,  31.06) 10/10/2023   09:29:47  (  71.66,  32.91)   65.67                68
 10/10/2023   10:19:09   ( -71.06,-160.36) 10/10/2023   10:19:22  ( -71.04,-160.42)    2.75                13
 10/10/2023   11:09:53   (  70.95,   7.14) 10/10/2023   11:08:44  (  70.95,   7.10)    1.44                69
 10/12/2023   22:22:20   (  71.12,-161.26) 10/12/2023   22:23:01  (  71.15,-161.21)    3.15                41
 10/12/2023   23:13:02   ( -71.03,   6.21) 10/12/2023   23:12:27  ( -71.03,   6.26)    1.68                35
 10/15/2023   10:25:31   ( -71.32,-162.38) 10/15/2023   10:26:43  ( -71.24,-162.03)   15.49                72
 10/15/2023   11:16:12   (  71.06,   5.38) 10/15/2023   11:16:06  (  71.07,   5.38)    1.53                 6
 10/15/2023   12:06:48   ( -70.65, 173.37) 10/15/2023   12:05:36  ( -70.74, 172.53)   32.63                72
 10/17/2023   23:19:20   ( -71.11,   4.51) 10/17/2023   23:19:48  ( -71.12,   4.49)    1.34                28
 10/18/2023   00:10:04   (  71.01, 171.99) 10/18/2023   00:09:10  (  71.00, 171.98)    0.79                54
 10/20/2023   11:22:29   (  71.17,   3.62) 10/20/2023   11:23:24  (  71.16,   3.63)    0.76                55
 10/20/2023   12:13:11   ( -71.07, 171.11) 10/20/2023   12:12:50  ( -71.06, 171.11)    0.89                21
 10/22/2023   23:25:47   ( -71.75,   1.80) 10/22/2023   23:26:56  ( -71.66,   3.48)   59.33                69
 10/23/2023   00:16:20   (  71.09, 170.28) 10/23/2023   00:16:26  (  71.10, 170.25)    1.65                 6
 10/23/2023   01:07:02   ( -70.98, -22.22) 10/23/2023   01:05:52  ( -71.00, -22.26)    2.11                70