Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 11 20.  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)
 11/22/2023   02:36:53   (  71.38, 134.65) 11/22/2023   02:38:04  (  71.35, 134.83)    7.05                71
 11/22/2023   03:27:34   ( -71.22, -57.76) 11/22/2023   03:27:30  ( -71.20, -57.76)    2.92                 4
 11/22/2023   04:18:09   (  70.65, 110.51) 11/22/2023   04:16:59  (  70.73, 109.18)   49.47                70
 11/24/2023   14:40:18   ( -72.05, 132.61) 11/24/2023   14:41:25  ( -71.98, 134.95)   80.87                67
 11/24/2023   15:30:48   (  71.23, -58.59) 11/24/2023   15:30:59  (  71.24, -58.59)    1.06                11
 11/24/2023   16:21:30   ( -71.13, 108.91) 11/24/2023   16:20:24  ( -71.14, 108.91)    1.69                66
 11/27/2023   03:34:00   ( -71.25, -59.41) 11/27/2023   03:34:31  ( -71.26, -59.48)    2.75                31
 11/27/2023   04:24:44   (  71.15, 108.06) 11/27/2023   04:23:53  (  71.18, 108.05)    2.91                51
 11/29/2023   15:37:15   (  71.33, -60.36) 11/29/2023   15:37:59  (  71.33, -60.27)    3.16                44
 11/29/2023   16:27:57   ( -71.22, 107.15) 11/29/2023   16:27:24  ( -71.22, 107.22)    2.53                33
 12/02/2023   03:40:27   ( -71.35, -61.20) 12/02/2023   03:41:30  ( -71.36, -61.14)    2.20                63
 12/02/2023   04:31:10   (  71.21, 106.37) 12/02/2023   04:30:53  (  71.23, 106.32)    2.78                17