Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 5 21.  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)
 05/22/2023   05:08:58   (  70.70,  97.94) 05/22/2023   05:09:57  (  70.69,  97.98)    2.33                59
 05/22/2023   05:59:39   ( -70.57, -94.53) 05/22/2023   05:59:22  ( -70.59, -94.51)    2.44                17
 05/22/2023   06:50:07   (  69.60,  74.26) 05/22/2023   06:49:01  (  69.61,  71.78)   96.17                66
 05/24/2023   18:02:52   (  70.66, -95.48) 05/24/2023   18:03:22  (  70.65, -95.45)    1.04                30
 05/24/2023   18:53:34   ( -70.57,  71.98) 05/24/2023   18:52:47  ( -70.56,  72.06)    3.40                47
 05/27/2023   06:06:09   ( -71.05, -96.92) 05/27/2023   06:07:20  ( -70.96, -96.02)   33.68                71
 05/27/2023   06:56:47   (  70.62,  71.10) 05/27/2023   06:56:47  (  70.64,  71.15)    2.86                 0
 05/27/2023   07:47:27   ( -70.43,-121.27) 05/27/2023   07:46:14  ( -70.44,-121.49)    8.14                73
 05/29/2023   18:59:58   ( -70.70,  70.17) 05/29/2023   19:00:49  ( -70.71,  70.22)    2.05                51
 05/29/2023   19:50:42   (  70.59,-122.34) 05/29/2023   19:50:12  (  70.60,-122.29)    2.01                30
 06/01/2023   07:53:53   ( -70.68,-123.27) 06/01/2023   07:54:14  ( -70.65,-123.25)    3.02                21
 06/01/2023   08:44:36   (  70.51,  44.30) 06/01/2023   08:43:37  (  70.53,  44.23)    2.79                59
 06/03/2023   19:57:06   (  70.76,-124.20) 06/03/2023   19:58:12  (  70.73,-124.15)    3.36                66
 06/03/2023   20:47:47   ( -70.61,  43.36) 06/03/2023   20:47:38  ( -70.61,  43.32)    1.50                 9