Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 12 2.  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   ( -71.33, -61.16) 12/02/2023   03:41:24  ( -71.35, -61.13)    2.07                59
 12/02/2023   04:31:09   (  71.23, 106.33) 12/02/2023   04:30:47  (  71.23, 106.34)    0.22                22
 12/04/2023   15:43:38   (  71.35, -61.99) 12/04/2023   15:44:50  (  71.34, -62.03)    1.51                72
 12/04/2023   16:34:20   ( -71.25, 105.50) 12/04/2023   16:34:14  ( -71.27, 105.51)    2.67                 6
 12/04/2023   17:24:55   (  70.68, -86.23) 12/04/2023   17:23:45  (  70.71, -87.68)   53.69                70
 12/07/2023   03:46:59   ( -71.90, -63.78) 12/07/2023   03:48:08  ( -71.82, -62.14)   57.51                69
 12/07/2023   04:37:32   (  71.28, 104.64) 12/07/2023   04:37:38  (  71.27, 104.62)    1.88                 6
 12/07/2023   05:28:14   ( -71.18, -87.87) 12/07/2023   05:27:02  ( -71.20, -87.84)    1.97                72
 12/09/2023   16:40:43   ( -71.33, 103.77) 12/09/2023   16:41:03  ( -71.31, 103.80)    2.40                20
 12/09/2023   17:31:26   (  71.18, -88.66) 12/09/2023   17:30:26  (  71.19, -88.72)    2.53                60
 12/12/2023   04:43:55   (  71.35, 102.94) 12/12/2023   04:44:25  (  71.36, 103.01)    3.19                30
 12/12/2023   05:34:37   ( -71.24, -89.55) 12/12/2023   05:33:50  ( -71.24, -89.54)    0.74                47
 12/14/2023   16:47:05   ( -71.37, 102.12) 12/14/2023   16:47:49  ( -71.35, 102.12)    1.23                44
 12/14/2023   17:37:49   (  71.27, -90.40) 12/14/2023   17:37:11  (  71.29, -90.33)    3.31                38