Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2022 12 14.  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)
 12/15/2022   22:23:05   ( -70.71,  19.81) 12/15/2022   22:24:16  ( -70.57,  20.78)   38.75                71
 12/15/2022   23:13:42   (  70.24,-172.14) 12/15/2022   23:13:44  (  70.22,-172.08)    3.20                 2
 12/16/2022   00:04:14   ( -70.12,  -4.60) 12/16/2022   00:03:10  ( -70.12,  -4.58)    1.08                64
 12/18/2022   15:24:29   (  70.30, -54.92) 12/18/2022   15:25:22  (  70.30, -54.90)    1.01                53
 12/18/2022   16:15:02   ( -70.22, 112.57) 12/18/2022   16:14:48  ( -70.20, 112.61)    2.24                14
 12/18/2022   17:05:32   (  69.38, -78.89) 12/18/2022   17:04:24  (  69.40, -80.83)   75.77                68
 12/21/2022   08:25:48   ( -70.27,-130.21) 12/21/2022   08:26:25  ( -70.26,-130.24)    1.27                37
 12/21/2022   09:16:31   (  70.15,  37.28) 12/21/2022   09:15:48  (  70.18,  37.31)    3.30                43
 12/24/2022   00:36:45   ( -70.86, -13.85) 12/24/2022   00:37:55  ( -70.74, -12.46)   52.21                70
 12/24/2022   01:27:18   (  70.25, 154.45) 12/24/2022   01:27:26  (  70.23, 154.44)    2.72                 8
 12/24/2022   02:17:51   ( -70.12, -38.00) 12/24/2022   02:16:52  ( -70.12, -38.06)    2.44                59
 12/26/2022   17:38:04   (  70.31, -88.33) 12/26/2022   17:39:03  (  70.30, -88.38)    2.23                59
 12/26/2022   18:28:38   ( -70.20,  79.19) 12/26/2022   18:28:29  ( -70.20,  79.11)    2.87                 9
 12/26/2022   19:19:10   (  69.56,-112.53) 12/26/2022   19:18:01  (  69.62,-114.02)   58.22                69