Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 12 1.  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)
 12/02/2023   03:40:25   ( -71.32, -61.13) 12/02/2023   03:41:25  ( -71.32, -61.18)    1.85                60
 12/02/2023   04:31:09   (  71.21, 106.36) 12/02/2023   04:30:48  (  71.20, 106.29)    3.01                21
 12/04/2023   15:43:38   (  71.39, -62.06) 12/04/2023   15:44:49  (  71.39, -61.96)    3.38                71
 12/04/2023   16:34:20   ( -71.29, 105.44) 12/04/2023   16:34:14  ( -71.26, 105.49)    3.24                 6
 12/04/2023   17:24:54   (  70.66, -86.20) 12/04/2023   17:23:45  (  70.70, -87.70)   55.35                69
 12/07/2023   03:46:59   ( -71.94, -63.85) 12/07/2023   03:48:08  ( -71.84, -62.11)   60.96                69
 12/07/2023   04:37:32   (  71.27, 104.66) 12/07/2023   04:37:39  (  71.29, 104.65)    1.89                 7
 12/07/2023   05:28:14   ( -71.17, -87.84) 12/07/2023   05:27:04  ( -71.16, -87.90)    2.11                70
 12/09/2023   16:40:43   ( -71.32, 103.79) 12/09/2023   16:41:05  ( -71.32, 103.80)    0.33                22
 12/09/2023   17:31:27   (  71.22, -88.73) 12/09/2023   17:30:28  (  71.19, -88.73)    2.73                59
 12/12/2023   04:43:55   (  71.33, 102.97) 12/12/2023   04:44:28  (  71.36, 103.00)    3.20                33
 12/12/2023   05:34:37   ( -71.23, -89.53) 12/12/2023   05:33:53  ( -71.23, -89.55)    1.08                44
 12/14/2023   16:47:05   ( -71.35, 102.14) 12/14/2023   16:47:53  ( -71.36, 102.10)    1.48                48
 12/14/2023   17:37:49   (  71.26, -90.38) 12/14/2023   17:37:16  (  71.23, -90.43)    3.25                33