Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 11 30.  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   03:40:24   ( -71.31, -61.11) 12/02/2023   03:41:24  ( -71.33, -61.17)    2.99                60
 12/02/2023   04:31:08   (  71.20, 106.37) 12/02/2023   04:30:47  (  71.20, 106.30)    2.63                21
 12/04/2023   15:43:38   (  71.38, -62.04) 12/04/2023   15:44:49  (  71.39, -61.95)    3.56                71
 12/04/2023   16:34:20   ( -71.27, 105.46) 12/04/2023   16:34:14  ( -71.27, 105.51)    1.80                 6
 12/04/2023   17:24:54   (  70.65, -86.18) 12/04/2023   17:23:45  (  70.71, -87.69)   55.81                69
 12/07/2023   03:46:59   ( -71.92, -63.82) 12/07/2023   03:48:08  ( -71.85, -62.10)   60.04                69
 12/07/2023   04:37:33   (  71.31, 104.60) 12/07/2023   04:37:39  (  71.29, 104.66)    2.75                 6
 12/07/2023   05:28:14   ( -71.15, -87.81) 12/07/2023   05:27:04  ( -71.17, -87.88)    3.20                70
 12/09/2023   16:40:43   ( -71.30, 103.83) 12/09/2023   16:41:05  ( -71.32, 103.81)    2.73                22
 12/09/2023   17:31:27   (  71.20, -88.70) 12/09/2023   17:30:28  (  71.20, -88.72)    0.83                59
 12/12/2023   04:43:56   (  71.36, 102.92) 12/12/2023   04:44:28  (  71.36, 103.00)    2.94                32
 12/12/2023   05:34:38   ( -71.25, -89.58) 12/12/2023   05:33:53  ( -71.24, -89.55)    2.16                45