Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 1 31.  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)
 02/02/2023   08:26:33   ( -70.41,-130.75) 02/02/2023   08:27:40  ( -70.43,-130.70)    2.82                67
 02/02/2023   09:17:17   (  70.30,  36.73) 02/02/2023   09:17:04  (  70.30,  36.76)    1.12                13
 02/02/2023   10:07:48   ( -69.63,-154.94) 02/02/2023   10:06:39  ( -69.68,-156.44)   58.23                69
 02/04/2023   21:20:27   ( -70.46,  35.70) 02/04/2023   21:21:38  ( -70.43,  35.79)    4.17                71
 02/04/2023   22:11:10   (  70.29,-156.74) 02/04/2023   22:11:02  (  70.29,-156.76)    0.74                 8
 02/04/2023   23:01:45   ( -69.83,  11.28) 02/04/2023   23:00:33  ( -69.91,  10.35)   36.48                72
 02/07/2023   10:14:23   ( -70.61,-158.03) 02/07/2023   10:15:34  ( -70.53,-157.59)   18.75                71
 02/07/2023   11:05:03   (  70.29,   9.79) 02/07/2023   11:04:59  (  70.32,   9.78)    3.29                 4
 02/07/2023   11:55:41   ( -69.99, 177.57) 02/07/2023   11:54:28  ( -70.05, 177.04)   21.16                73
 02/09/2023   23:08:18   ( -70.72,   8.32) 02/09/2023   23:09:30  ( -70.60,   9.01)   28.59                72
 02/09/2023   23:58:57   (  70.35, 176.22) 02/09/2023   23:58:56  (  70.33, 176.28)    3.21                 1
 02/10/2023   00:49:36   ( -70.10, -16.07) 02/10/2023   00:48:24  ( -70.13, -16.36)   11.42                72
 02/12/2023   12:02:13   ( -70.88, 174.57) 02/12/2023   12:03:23  ( -70.76, 175.74)   44.85                70
 02/12/2023   12:52:48   (  70.31, -17.20) 02/12/2023   12:52:52  (  70.33, -17.24)    2.24                 4
 02/12/2023   13:43:30   ( -70.21, 150.27) 02/12/2023   13:42:18  ( -70.23, 150.28)    2.43                72