Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 2 15.  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)
 02/17/2023   13:50:01   ( -70.59, 148.07) 02/17/2023   13:51:12  ( -70.55, 148.44)   14.29                71
 02/17/2023   14:40:42   (  70.32, -44.20) 02/17/2023   14:40:37  (  70.33, -44.22)    1.92                 5
 02/17/2023   15:31:19   ( -69.96, 123.67) 02/17/2023   15:30:07  ( -70.02, 122.98)   26.77                72
 02/20/2023   02:43:55   ( -70.49, -45.26) 02/20/2023   02:45:06  ( -70.49, -45.15)    4.19                71
 02/20/2023   03:34:38   (  70.32, 122.30) 02/20/2023   03:34:30  (  70.32, 122.26)    1.86                 8
 02/20/2023   04:25:13   ( -69.86, -69.67) 02/20/2023   04:24:02  ( -69.90, -70.68)   38.67                71
 02/22/2023   15:37:50   ( -70.45, 121.30) 02/22/2023   15:38:59  ( -70.43, 121.28)    2.84                69
 02/22/2023   16:28:34   (  70.35, -71.22) 02/22/2023   16:28:21  (  70.36, -71.16)    2.69                13
 02/22/2023   17:19:06   ( -69.72,  97.05) 02/22/2023   17:17:56  ( -69.78,  95.68)   53.08                70
 02/25/2023   04:31:45   ( -70.44, -72.15) 02/25/2023   04:32:50  ( -70.43, -72.20)    1.75                65
 02/25/2023   05:22:29   (  70.33,  95.32) 02/25/2023   05:22:12  (  70.36,  95.35)    3.25                17
 02/25/2023   06:12:59   ( -69.60, -96.26) 02/25/2023   06:11:50  ( -69.62, -98.03)   68.57                69
 02/27/2023   17:25:40   ( -70.43,  94.37) 02/27/2023   17:26:40  ( -70.45,  94.33)    2.04                60
 02/27/2023   18:16:24   (  70.33, -98.16) 02/27/2023   18:16:03  (  70.31, -98.20)    2.82                21