Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 10 18.  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)
 10/20/2023   11:22:29   (  71.16,   3.63) 10/20/2023   11:23:25  (  71.14,   3.59)    2.68                56
 10/20/2023   12:13:11   ( -71.07, 171.10) 10/20/2023   12:12:50  ( -71.08, 171.15)    2.16                21
 10/22/2023   23:25:48   ( -71.80,   1.70) 10/22/2023   23:26:56  ( -71.72,   3.56)   65.37                68
 10/23/2023   00:16:21   (  71.14, 170.20) 10/23/2023   00:16:27  (  71.11, 170.25)    3.30                 6
 10/23/2023   01:07:02   ( -70.99, -22.23) 10/23/2023   01:05:53  ( -71.00, -22.26)    2.14                69
 10/25/2023   12:19:28   ( -71.17, 169.37) 10/25/2023   12:20:07  ( -71.16, 169.38)    0.66                39
 10/25/2023   13:10:12   (  71.07, -23.15) 10/25/2023   13:09:29  (  71.04, -23.14)    3.29                43
 10/28/2023   00:22:37   (  71.21, 168.51) 10/28/2023   00:23:42  (  71.21, 168.53)    0.74                65
 10/28/2023   01:13:19   ( -71.11, -23.99) 10/28/2023   01:13:08  ( -71.11, -23.98)    0.42                11
 10/28/2023   02:03:49   (  70.28, 144.67) 10/28/2023   02:02:42  (  70.32, 142.52)   80.88                67
 10/30/2023   13:16:28   (  71.17, -24.88) 10/30/2023   13:16:42  (  71.17, -24.81)    2.51                14
 10/30/2023   14:07:10   ( -71.06, 142.62) 10/30/2023   14:06:08  ( -71.07, 142.68)    2.19                62