Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2022 12 27.  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)
 12/28/2022   19:01:09   (  70.28,-109.09) 12/28/2022   19:01:50  (  70.27,-109.15)    2.50                41
 12/28/2022   19:51:51   ( -70.19,  58.36) 12/28/2022   19:51:15  ( -70.20,  58.41)    1.91                36
 12/31/2022   07:55:05   (  70.31,  57.37) 12/31/2022   07:55:55  (  70.33,  57.40)    2.29                50
 12/31/2022   08:45:47   ( -70.22,-135.17) 12/31/2022   08:45:21  ( -70.21,-135.13)    2.18                26
 01/02/2023   20:49:00   (  70.35,-136.17) 01/02/2023   20:50:00  (  70.32,-136.17)    3.49                60
 01/02/2023   21:39:41   ( -70.20,  31.37) 01/02/2023   21:39:26  ( -70.20,  31.31)    2.46                15
 01/02/2023   22:30:10   (  69.29,-159.98) 01/02/2023   22:29:03  (  69.35,-162.18)   86.54                67
 01/05/2023   09:42:55   (  70.34,  30.36) 01/05/2023   09:44:05  (  70.34,  30.32)    1.28                70
 01/05/2023   10:33:37   ( -70.24,-162.18) 01/05/2023   10:33:31  ( -70.22,-162.20)    3.00                 6
 01/05/2023   11:24:12   (  69.66,   6.01) 01/05/2023   11:23:02  (  69.71,   4.75)   49.09                70
 01/07/2023   22:36:56   (  70.65,-163.63) 01/07/2023   22:38:06  (  70.56,-162.90)   28.74                70
 01/07/2023   23:27:33   ( -70.29,   4.26) 01/07/2023   23:27:35  ( -70.27,   4.34)    3.19                 2
 01/08/2023   00:18:13   (  69.97, 172.06) 01/08/2023   00:17:01  (  70.04, 171.66)   16.87                72