Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2022 12 23.  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)
 12/23/2022   17:13:18   (  70.26, -82.07) 12/23/2022   17:13:37  (  70.28, -82.03)    3.05                19
 12/23/2022   18:04:00   ( -70.17,  85.38) 12/23/2022   18:03:03  ( -70.16,  85.45)    2.96                57
 12/26/2022   06:07:13   (  70.28,  84.40) 12/26/2022   06:07:43  (  70.28,  84.41)    0.44                30
 12/26/2022   06:57:54   ( -70.14,-108.06) 12/26/2022   06:57:09  ( -70.16,-108.10)    3.01                45
 12/28/2022   19:01:09   (  70.31,-109.13) 12/28/2022   19:01:49  (  70.30,-109.09)    1.23                40
 12/28/2022   19:51:50   ( -70.16,  58.41) 12/28/2022   19:51:15  ( -70.19,  58.39)    3.06                35
 12/31/2022   07:55:04   (  70.29,  57.41) 12/31/2022   07:55:55  (  70.31,  57.37)    3.27                51
 12/31/2022   08:45:46   ( -70.19,-135.12) 12/31/2022   08:45:21  ( -70.19,-135.15)    1.01                25
 01/02/2023   20:49:00   (  70.33,-136.14) 01/02/2023   20:50:00  (  70.35,-136.11)    3.16                60
 01/02/2023   21:39:42   ( -70.23,  31.33) 01/02/2023   21:39:26  ( -70.24,  31.37)    1.53                16
 01/02/2023   22:30:11   (  69.32,-160.02) 01/02/2023   22:29:04  (  69.33,-162.20)   85.57                67
 01/05/2023   09:42:56   (  70.37,  30.30) 01/05/2023   09:44:05  (  70.37,  30.38)    2.65                69
 01/05/2023   10:33:38   ( -70.27,-162.22) 01/05/2023   10:33:31  ( -70.26,-162.14)    3.42                 7
 01/05/2023   11:24:13   (  69.69,   5.96) 01/05/2023   11:23:02  (  69.74,   4.80)   45.24                71