Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 10 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)
 10/02/2023   20:28:15   (  71.11,-132.70) 10/02/2023   20:29:23  (  71.10,-132.75)    1.88                68
 10/02/2023   21:18:57   ( -71.02,  34.76) 10/02/2023   21:18:48  ( -71.02,  34.78)    1.06                 9
 10/02/2023   22:09:29   (  70.28,-156.72) 10/02/2023   22:08:21  (  70.33,-158.58)   69.91                68
 10/05/2023   09:22:08   (  71.09,  33.85) 10/05/2023   09:22:30  (  71.07,  33.89)    3.02                22
 10/05/2023   10:12:49   ( -70.95,-158.60) 10/05/2023   10:11:56  ( -70.94,-158.65)    2.18                53
 10/07/2023   21:25:17   ( -71.14,  32.97) 10/07/2023   21:26:15  ( -71.15,  33.05)    3.05                58
 10/07/2023   22:16:00   (  70.98,-159.44) 10/07/2023   22:15:38  (  71.00,-159.52)    3.42                22
 10/10/2023   09:28:40   (  71.81,  30.99) 10/10/2023   09:29:47  (  71.71,  33.00)   70.73                67
 10/10/2023   10:19:09   ( -71.04,-160.33) 10/10/2023   10:19:23  ( -71.05,-160.41)    3.17                14
 10/10/2023   11:09:53   (  70.93,   7.16) 10/10/2023   11:08:45  (  70.95,   7.09)    2.64                68
 10/12/2023   22:22:20   (  71.10,-161.22) 10/12/2023   22:23:03  (  71.13,-161.24)    3.45                43
 10/12/2023   23:13:02   ( -71.00,   6.26) 10/12/2023   23:12:29  ( -71.02,   6.24)    2.53                33
 10/15/2023   10:25:33   ( -71.38,-162.49) 10/15/2023   10:26:45  ( -71.28,-161.96)   21.61                72
 10/15/2023   11:16:13   (  71.08,   5.35) 10/15/2023   11:16:09  (  71.06,   5.35)    2.23                 4