Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 7 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)
 07/14/2023   04:24:30   ( -71.37, -72.09) 07/14/2023   04:25:40  ( -71.24, -70.70)   51.73                70
 07/14/2023   05:15:04   (  70.74,  96.27) 07/14/2023   05:15:09  (  70.76,  96.23)    2.39                 5
 07/14/2023   06:05:46   ( -70.65, -96.25) 07/14/2023   06:04:35  ( -70.65, -96.28)    1.19                71
 07/16/2023   17:18:12   ( -70.82,  95.36) 07/16/2023   17:19:02  ( -70.85,  95.35)    2.36                50
 07/16/2023   18:08:56   (  70.72, -97.17) 07/16/2023   18:08:24  (  70.75, -97.13)    3.20                32
 07/19/2023   05:21:35   (  71.53,  93.35) 07/19/2023   05:22:43  (  71.41,  95.25)   68.63                68
 07/19/2023   06:12:05   ( -70.81, -98.09) 07/19/2023   06:12:18  ( -70.81, -98.04)    2.06                13
 07/19/2023   07:02:48   (  70.65,  69.47) 07/19/2023   07:01:41  (  70.66,  69.40)    2.55                67
 07/21/2023   18:15:15   (  70.85, -98.95) 07/21/2023   18:16:08  (  70.87, -98.94)    2.56                53
 07/21/2023   19:05:57   ( -70.74,  68.55) 07/21/2023   19:05:34  ( -70.76,  68.54)    2.08                23
 07/24/2023   06:18:41   ( -71.81,-101.42) 07/24/2023   06:19:47  ( -71.70, -98.62)   98.35                66
 07/24/2023   07:09:07   (  70.79,  67.68) 07/24/2023   07:09:24  (  70.79,  67.61)    2.54                17
 07/24/2023   07:59:49   ( -70.68,-124.83) 07/24/2023   07:58:50  ( -70.68,-124.91)    2.85                59