Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 2 14.  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)
 02/15/2023   00:56:07   ( -70.68, -18.60) 02/15/2023   00:57:18  ( -70.58, -18.02)   24.14                71
 02/15/2023   01:46:46   (  70.31, 149.31) 02/15/2023   01:46:44  (  70.32, 149.25)    2.49                 2
 02/15/2023   02:37:25   ( -70.06, -42.99) 02/15/2023   02:36:12  ( -70.10, -43.40)   16.34                73
 02/17/2023   13:50:01   ( -70.57, 148.09) 02/17/2023   13:51:13  ( -70.50, 148.37)   12.64                72
 02/17/2023   14:40:43   (  70.35, -44.25) 02/17/2023   14:40:37  (  70.34, -44.21)    2.37                 6
 02/17/2023   15:31:19   ( -69.95, 123.69) 02/17/2023   15:30:07  ( -70.02, 122.99)   28.06                72
 02/20/2023   02:43:55   ( -70.47, -45.24) 02/20/2023   02:45:06  ( -70.48, -45.16)    2.92                71
 02/20/2023   03:34:38   (  70.31, 122.33) 02/20/2023   03:34:30  (  70.30, 122.25)    2.94                 8
 02/20/2023   04:25:13   ( -69.85, -69.65) 02/20/2023   04:24:02  ( -69.89, -70.69)   40.07                71
 02/22/2023   15:37:50   ( -70.44, 121.32) 02/22/2023   15:38:58  ( -70.45, 121.32)    1.32                68
 02/22/2023   16:28:34   (  70.34, -71.20) 02/22/2023   16:28:21  (  70.33, -71.20)    0.94                13
 02/22/2023   17:19:06   ( -69.71,  97.07) 02/22/2023   17:17:56  ( -69.75,  95.64)   55.20                70
 02/25/2023   04:31:44   ( -70.43, -72.14) 02/25/2023   04:32:48  ( -70.43, -72.20)    2.45                64
 02/25/2023   05:22:28   (  70.32,  95.33) 02/25/2023   05:22:10  (  70.35,  95.35)    3.15                18
 02/25/2023   06:12:57   ( -69.54, -96.17) 02/25/2023   06:11:49  ( -69.56, -98.10)   75.30                68
 02/27/2023   17:25:40   ( -70.48,  94.30) 02/27/2023   17:26:37  ( -70.46,  94.36)    3.24                57
 02/27/2023   18:16:23   (  70.33, -98.15) 02/27/2023   18:16:00  (  70.32, -98.17)    0.93                23