Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 5 24.  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)
 05/24/2023   18:02:52   (  70.64, -95.46) 05/24/2023   18:03:22  (  70.66, -95.44)    2.23                30
 05/24/2023   18:53:34   ( -70.56,  71.99) 05/24/2023   18:52:47  ( -70.57,  72.07)    3.02                47
 05/27/2023   06:06:09   ( -71.04, -96.90) 05/27/2023   06:07:20  ( -70.97, -96.01)   33.04                71
 05/27/2023   06:56:47   (  70.60,  71.12) 05/27/2023   06:56:48  (  70.60,  71.09)    1.40                 1
 05/27/2023   07:47:27   ( -70.41,-121.26) 05/27/2023   07:46:14  ( -70.45,-121.47)    9.07                73
 05/29/2023   18:59:58   ( -70.69,  70.20) 05/29/2023   19:00:50  ( -70.67,  70.16)    2.23                52
 05/29/2023   19:50:42   (  70.57,-122.31) 05/29/2023   19:50:13  (  70.56,-122.34)    1.77                29
 06/01/2023   07:53:53   ( -70.66,-123.24) 06/01/2023   07:54:14  ( -70.67,-123.22)    1.37                21
 06/01/2023   08:44:37   (  70.54,  44.25) 06/01/2023   08:43:37  (  70.55,  44.26)    0.72                60
 06/03/2023   19:57:06   (  70.73,-124.16) 06/03/2023   19:58:13  (  70.71,-124.19)    2.99                67
 06/03/2023   20:47:48   ( -70.63,  43.31) 06/03/2023   20:47:38  ( -70.64,  43.36)    1.70                10
 06/03/2023   21:38:20   (  69.89,-148.22) 06/03/2023   21:37:11  (  69.96,-149.95)   66.35                69
 06/06/2023   08:51:00   (  70.72,  42.38) 06/06/2023   08:51:35  (  70.69,  42.42)    3.18                35
 06/06/2023   09:41:41   ( -70.57,-150.06) 06/06/2023   09:41:01  ( -70.58,-150.10)    1.87                40