Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2022 12 29.  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)
 12/31/2022   07:55:05   (  70.32,  57.36) 12/31/2022   07:55:55  (  70.33,  57.39)    1.51                50
 12/31/2022   08:45:46   ( -70.18,-135.10) 12/31/2022   08:45:21  ( -70.20,-135.14)    3.15                25
 01/02/2023   20:49:00   (  70.30,-136.10) 01/02/2023   20:50:01  (  70.32,-136.17)    3.15                61
 01/02/2023   21:39:42   ( -70.21,  31.36) 01/02/2023   21:39:27  ( -70.19,  31.30)    2.96                15
 01/02/2023   22:30:11   (  69.30,-159.99) 01/02/2023   22:29:04  (  69.35,-162.18)   86.31                67
 01/05/2023   09:42:55   (  70.34,  30.35) 01/05/2023   09:44:05  (  70.34,  30.32)    1.01                70
 01/05/2023   10:33:37   ( -70.25,-162.19) 01/05/2023   10:33:30  ( -70.27,-162.13)    3.44                 7
 01/05/2023   11:24:12   (  69.66,   6.01) 01/05/2023   11:23:02  (  69.71,   4.75)   48.77                70
 01/07/2023   22:36:56   (  70.65,-163.63) 01/07/2023   22:38:06  (  70.56,-162.89)   29.05                70
 01/07/2023   23:27:32   ( -70.24,   4.34) 01/07/2023   23:27:36  ( -70.22,   4.26)    3.47                 4
 01/08/2023   00:18:13   (  69.97, 172.05) 01/08/2023   00:17:01  (  70.05, 171.67)   16.64                72
 01/10/2023   11:30:57   (  70.97,   2.36) 01/10/2023   11:32:05  (  70.88,   4.04)   61.73                68
 01/10/2023   12:21:28   ( -70.29, 170.77) 01/10/2023   12:21:40  ( -70.26, 170.78)    3.00                12
 01/10/2023   13:12:11   (  70.13, -21.67) 01/10/2023   13:11:04  (  70.14, -21.73)    2.49                67