Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 10 8.  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   (  71.78,  31.05) 10/10/2023   09:29:47  (  71.65,  32.90)   66.17                68
 10/10/2023   10:19:09   ( -71.07,-160.38) 10/10/2023   10:19:21  ( -71.10,-160.34)    3.35                12
 10/10/2023   11:09:53   (  70.96,   7.12) 10/10/2023   11:08:44  (  70.94,   7.09)    1.93                69
 10/12/2023   22:22:20   (  71.13,-161.27) 10/12/2023   22:23:01  (  71.15,-161.21)    2.99                41
 10/12/2023   23:13:02   ( -71.04,   6.20) 10/12/2023   23:12:27  ( -71.03,   6.26)    2.28                35
 10/15/2023   10:25:31   ( -71.32,-162.39) 10/15/2023   10:26:43  ( -71.25,-162.01)   15.91                72
 10/15/2023   11:16:12   (  71.07,   5.36) 10/15/2023   11:16:06  (  71.08,   5.40)    2.36                 6
 10/15/2023   12:06:48   ( -70.66, 173.36) 10/15/2023   12:05:36  ( -70.76, 172.55)   31.87                72
 10/17/2023   23:19:20   ( -71.11,   4.50) 10/17/2023   23:19:49  ( -71.09,   4.45)    2.88                29
 10/18/2023   00:10:04   (  71.01, 171.98) 10/18/2023   00:09:10  (  71.03, 172.02)    2.08                54
 10/20/2023   11:22:30   (  71.18,   3.61) 10/20/2023   11:23:26  (  71.15,   3.61)    2.86                56
 10/20/2023   12:13:12   ( -71.07, 171.10) 10/20/2023   12:12:52  ( -71.05, 171.10)    2.53                20