Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 5 20.  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   (  70.69,  97.95) 05/22/2023   05:09:56  (  70.70,  98.00)    2.20                59
 05/22/2023   05:59:38   ( -70.56, -94.51) 05/22/2023   05:59:22  ( -70.55, -94.57)    2.40                16
 05/22/2023   06:50:06   (  69.59,  74.28) 05/22/2023   06:49:00  (  69.63,  71.80)   96.25                66
 05/24/2023   18:02:52   (  70.64, -95.45) 05/24/2023   18:03:22  (  70.67, -95.43)    3.04                30
 05/24/2023   18:53:33   ( -70.50,  72.09) 05/24/2023   18:52:48  ( -70.52,  72.01)    3.51                45
 05/27/2023   06:06:10   ( -71.08, -96.97) 05/27/2023   06:07:21  ( -70.93, -96.07)   36.59                71
 05/27/2023   06:56:47   (  70.60,  71.13) 05/27/2023   06:56:48  (  70.61,  71.10)    1.26                 1
 05/27/2023   07:47:27   ( -70.41,-121.24) 05/27/2023   07:46:14  ( -70.47,-121.45)   10.30                73
 05/29/2023   18:59:58   ( -70.68,  70.21) 05/29/2023   19:00:50  ( -70.69,  70.19)    1.83                52
 05/29/2023   19:50:42   (  70.57,-122.30) 05/29/2023   19:50:13  (  70.58,-122.32)    1.44                29
 06/01/2023   07:53:53   ( -70.64,-123.22) 06/01/2023   07:54:15  ( -70.64,-123.27)    1.66                22
 06/01/2023   08:44:37   (  70.54,  44.26) 06/01/2023   08:43:38  (  70.52,  44.22)    2.71                59