Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2024 12 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)
 12/19/2024   02:21:18   ( -73.18, -44.16) 12/19/2024   02:22:08  ( -73.16, -44.14)    2.65                50
 12/19/2024   03:12:01   (  73.06, 123.42) 12/19/2024   03:11:29  (  73.08, 123.37)    2.67                32
 12/21/2024   13:33:40   ( -73.18, 147.75) 12/21/2024   13:34:09  ( -73.17, 147.83)    2.84                29
 12/21/2024   14:24:23   (  73.05, -44.67) 12/21/2024   14:23:30  (  73.08, -44.68)    2.49                53
 12/23/2024   23:55:31   (  73.85, 170.79) 12/23/2024   23:56:37  (  73.77, 173.36)   80.07                66
 12/24/2024   00:46:01   ( -73.13, -20.25) 12/24/2024   00:46:10  ( -73.13, -20.29)    1.18                 9
 12/24/2024   01:36:44   (  73.01, 147.32) 12/24/2024   01:35:31  (  73.03, 147.19)    4.78                73
 12/26/2024   11:07:40   (  73.22,   4.15) 12/26/2024   11:08:47  (  73.20,   4.16)    2.26                67
 12/26/2024   11:58:23   ( -73.15, 171.61) 12/26/2024   11:58:09  ( -73.15, 171.72)    3.39                14
 12/28/2024   22:20:00   (  73.20,-163.90) 12/28/2024   22:20:44  (  73.22,-163.84)    3.06                44
 12/28/2024   23:10:43   ( -73.13,   3.56) 12/28/2024   23:10:07  ( -73.13,   3.63)    2.42                36
 12/31/2024   09:32:21   (  73.19,  28.02) 12/31/2024   09:32:42  (  73.20,  28.08)    1.88                21
 12/31/2024   10:23:04   ( -73.12,-164.51) 12/31/2024   10:22:05  ( -73.11,-164.43)    3.16                59