Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 2 12.  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)
 02/12/2023   12:02:11   ( -70.71, 174.85) 02/12/2023   12:03:23  ( -70.61, 175.51)   26.87                72
 02/12/2023   12:52:50   (  70.33, -17.23) 02/12/2023   12:52:49  (  70.35, -17.21)    2.16                 1
 02/12/2023   13:43:30   ( -70.14, 150.39) 02/12/2023   13:42:16  ( -70.18, 150.21)    8.47                74
 02/15/2023   00:56:07   ( -70.68, -18.58) 02/15/2023   00:57:18  ( -70.58, -18.02)   23.28                71
 02/15/2023   01:46:46   (  70.30, 149.32) 02/15/2023   01:46:44  (  70.31, 149.25)    3.23                 2
 02/15/2023   02:37:25   ( -70.05, -42.98) 02/15/2023   02:36:12  ( -70.10, -43.40)   17.15                73
 02/17/2023   13:50:01   ( -70.54, 148.14) 02/17/2023   13:51:13  ( -70.50, 148.36)    9.45                72
 02/17/2023   14:40:43   (  70.32, -44.21) 02/17/2023   14:40:37  (  70.33, -44.22)    0.98                 6
 02/17/2023   15:31:19   ( -69.91, 123.74) 02/17/2023   15:30:07  ( -70.02, 122.99)   30.86                72
 02/20/2023   02:43:56   ( -70.46, -45.22) 02/20/2023   02:45:06  ( -70.47, -45.16)    2.66                70
 02/20/2023   03:34:40   (  70.35, 122.26) 02/20/2023   03:34:29  (  70.35, 122.32)    2.49                11
 02/20/2023   04:25:13   ( -69.78, -69.56) 02/20/2023   04:24:03  ( -69.83, -70.77)   46.80                70
 02/22/2023   15:37:52   ( -70.44, 121.32) 02/22/2023   15:38:58  ( -70.45, 121.31)    1.35                66
 02/22/2023   16:28:36   (  70.33, -71.20) 02/22/2023   16:28:21  (  70.32, -71.21)    1.31                15
 02/22/2023   17:19:06   ( -69.60,  97.22) 02/22/2023   17:17:57  ( -69.69,  95.56)   65.14                69
 02/25/2023   04:31:47   ( -70.42, -72.13) 02/25/2023   04:32:48  ( -70.42, -72.21)    2.93                61
 02/25/2023   05:22:31   (  70.31,  95.34) 02/25/2023   05:22:10  (  70.34,  95.34)    3.26                21