Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2022 12 21.  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)
 12/21/2022   04:19:22   (  70.24, 111.44) 12/21/2022   04:19:31  (  70.21, 111.42)    3.17                 9
 12/21/2022   05:10:03   ( -70.10, -81.03) 12/21/2022   05:08:57  ( -70.10, -81.09)    2.19                66
 12/23/2022   17:13:18   (  70.25, -82.07) 12/23/2022   17:13:38  (  70.23, -82.11)    3.27                20
 12/23/2022   18:03:59   ( -70.17,  85.38) 12/23/2022   18:03:02  ( -70.17,  85.46)    2.90                57
 12/26/2022   06:07:13   (  70.27,  84.41) 12/26/2022   06:07:43  (  70.28,  84.41)    0.18                30
 12/26/2022   06:57:55   ( -70.18,-108.13) 12/26/2022   06:57:09  ( -70.16,-108.10)    2.77                46
 12/28/2022   19:01:09   (  70.30,-109.12) 12/28/2022   19:01:49  (  70.30,-109.10)    0.90                40
 12/28/2022   19:51:51   ( -70.21,  58.34) 12/28/2022   19:51:15  ( -70.19,  58.39)    2.96                36
 12/31/2022   07:55:04   (  70.28,  57.42) 12/31/2022   07:55:55  (  70.30,  57.36)    3.36                51
 12/31/2022   08:45:46   ( -70.19,-135.11) 12/31/2022   08:45:21  ( -70.19,-135.15)    1.52                25
 01/02/2023   20:49:00   (  70.32,-136.13) 01/02/2023   20:50:00  (  70.34,-136.13)    2.23                60
 01/02/2023   21:39:42   ( -70.22,  31.34) 01/02/2023   21:39:26  ( -70.23,  31.36)    0.66                16