Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 5 22.  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   05:08:57   (  70.66,  98.00) 05/22/2023   05:09:57  (  70.67,  97.96)    1.75                60
 05/22/2023   05:59:39   ( -70.58, -94.55) 05/22/2023   05:59:22  ( -70.57, -94.54)    1.37                17
 05/22/2023   06:50:06   (  69.56,  74.32) 05/22/2023   06:49:00  (  69.65,  71.83)   96.88                66
 05/24/2023   18:02:52   (  70.62, -95.41) 05/24/2023   18:03:23  (  70.63, -95.48)    3.04                31
 05/24/2023   18:53:34   ( -70.53,  72.04) 05/24/2023   18:52:48  ( -70.54,  72.03)    0.51                46
 05/27/2023   06:06:10   ( -71.06, -96.94) 05/27/2023   06:07:21  ( -70.93, -96.07)   34.52                71
 05/27/2023   06:56:48   (  70.63,  71.08) 05/27/2023   06:56:48  (  70.61,  71.11)    2.51                 0
 05/27/2023   07:47:27   ( -70.39,-121.21) 05/27/2023   07:46:15  ( -70.41,-121.53)   12.23                72
 05/29/2023   18:59:57   ( -70.66,  70.24) 05/29/2023   19:00:49  ( -70.67,  70.16)    3.19                52
 05/29/2023   19:50:41   (  70.55,-122.27) 05/29/2023   19:50:12  (  70.56,-122.35)    3.12                29
 06/01/2023   07:03:28   (  71.66,  67.71) 06/01/2023   07:04:33  (  71.54,  70.49)   98.50                65
 06/01/2023   07:53:52   ( -70.63,-123.20) 06/01/2023   07:54:13  ( -70.65,-123.25)    2.47                21
 06/01/2023   08:44:36   (  70.52,  44.29) 06/01/2023   08:43:36  (  70.53,  44.24)    1.90                60
 06/03/2023   19:57:05   (  70.71,-124.13) 06/03/2023   19:58:11  (  70.72,-124.17)    1.62                66
 06/03/2023   20:47:47   ( -70.61,  43.35) 06/03/2023   20:47:37  ( -70.59,  43.30)    2.67                10