Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2022 12 15.  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   ( -70.69,  19.83) 12/15/2022   22:24:16  ( -70.58,  20.79)   37.51                71
 12/15/2022   23:13:42   (  70.22,-172.12) 12/15/2022   23:13:44  (  70.23,-172.06)    1.99                 2
 12/16/2022   00:04:14   ( -70.11,  -4.58) 12/16/2022   00:03:10  ( -70.13,  -4.56)    2.38                64
 12/18/2022   15:24:28   (  70.28, -54.89) 12/18/2022   15:25:21  (  70.31, -54.89)    2.94                53
 12/18/2022   16:15:01   ( -70.20, 112.59) 12/18/2022   16:14:47  ( -70.21, 112.62)    1.19                14
 12/18/2022   17:05:31   (  69.37, -78.87) 12/18/2022   17:04:23  (  69.41, -80.82)   76.33                68
 12/21/2022   08:25:48   ( -70.26,-130.19) 12/21/2022   08:26:25  ( -70.26,-130.24)    2.09                37
 12/21/2022   09:16:31   (  70.14,  37.31) 12/21/2022   09:15:49  (  70.13,  37.23)    3.27                42
 12/24/2022   00:36:45   ( -70.85, -13.82) 12/24/2022   00:37:55  ( -70.73, -12.48)   50.76                70
 12/24/2022   01:27:18   (  70.24, 154.47) 12/24/2022   01:27:26  (  70.21, 154.42)    3.00                 8
 12/24/2022   02:17:52   ( -70.16, -38.06) 12/24/2022   02:16:51  ( -70.16, -38.00)    2.18                61
 12/26/2022   17:38:05   (  70.35, -88.39) 12/26/2022   17:39:02  (  70.33, -88.33)    2.55                57
 12/26/2022   18:28:39   ( -70.24,  79.13) 12/26/2022   18:28:28  ( -70.23,  79.16)    2.13                11
 12/26/2022   19:19:10   (  69.54,-112.51) 12/26/2022   19:18:01  (  69.59,-114.05)   60.10                69