Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 10 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)
 10/02/2023   20:28:15   (  71.11,-132.71) 10/02/2023   20:29:23  (  71.09,-132.76)    3.09                68
 10/02/2023   21:18:57   ( -71.03,  34.75) 10/02/2023   21:18:48  ( -71.01,  34.77)    1.99                 9
 10/02/2023   22:09:29   (  70.28,-156.73) 10/02/2023   22:08:21  (  70.32,-158.59)   69.97                68
 10/05/2023   09:22:08   (  71.04,  33.93) 10/05/2023   09:22:31  (  71.06,  33.87)    2.60                23
 10/05/2023   10:12:49   ( -70.95,-158.60) 10/05/2023   10:11:55  ( -70.98,-158.59)    3.52                54
 10/07/2023   21:25:17   ( -71.14,  32.98) 10/07/2023   21:26:15  ( -71.13,  33.02)    1.69                58
 10/07/2023   22:16:01   (  71.03,-159.53) 10/07/2023   22:15:37  (  71.03,-159.47)    2.23                24
 10/10/2023   09:28:39   (  71.75,  31.10) 10/10/2023   09:29:47  (  71.68,  32.95)   64.96                68
 10/10/2023   10:19:10   ( -71.08,-160.40) 10/10/2023   10:19:22  ( -71.08,-160.37)    1.39                12
 10/10/2023   11:09:54   (  70.98,   7.08) 10/10/2023   11:08:44  (  70.97,   7.13)    2.13                70
 10/12/2023   22:22:21   (  71.14,-161.29) 10/12/2023   22:23:02  (  71.14,-161.22)    2.41                41
 10/12/2023   23:13:03   ( -71.04,   6.20) 10/12/2023   23:12:28  ( -71.03,   6.26)    2.28                35