Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 2 18.  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)
 02/20/2023   02:43:55   ( -70.47, -45.24) 02/20/2023   02:45:07  ( -70.44, -45.22)    3.51                72
 02/20/2023   03:34:38   (  70.30, 122.34) 02/20/2023   03:34:30  (  70.33, 122.28)    3.29                 8
 02/20/2023   04:25:13   ( -69.84, -69.65) 02/20/2023   04:24:02  ( -69.90, -70.67)   39.68                71
 02/22/2023   15:37:50   ( -70.43, 121.33) 02/22/2023   15:38:59  ( -70.44, 121.29)    1.75                69
 02/22/2023   16:28:34   (  70.32, -71.18) 02/22/2023   16:28:22  (  70.32, -71.22)    1.60                12
 02/22/2023   17:19:05   ( -69.70,  97.08) 02/22/2023   17:17:55  ( -69.79,  95.69)   54.31                70
 02/25/2023   04:31:45   ( -70.46, -72.20) 02/25/2023   04:32:49  ( -70.45, -72.18)    1.65                64
 02/25/2023   05:22:28   (  70.30,  95.36) 02/25/2023   05:22:12  (  70.32,  95.30)    3.23                16
 02/25/2023   06:12:58   ( -69.57, -96.22) 02/25/2023   06:11:49  ( -69.63, -98.01)   69.61                69
 02/27/2023   17:25:40   ( -70.45,  94.33) 02/27/2023   17:26:39  ( -70.47,  94.36)    2.12                59
 02/27/2023   18:16:24   (  70.35, -98.19) 02/27/2023   18:16:02  (  70.33, -98.17)    1.79                22
 02/27/2023   19:06:50   ( -69.40,  70.54) 02/27/2023   19:05:43  ( -69.43,  68.24)   89.90                67
 03/02/2023   06:19:35   ( -70.45, -99.15) 03/02/2023   06:20:29  ( -70.44, -99.15)    1.26                54
 03/02/2023   07:10:19   (  70.35,  68.32) 03/02/2023   07:09:51  (  70.36,  68.39)    2.72                28