Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 7 13.  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   04:24:29   ( -71.36, -72.07) 07/14/2023   04:25:39  ( -71.25, -70.68)   51.00                70
 07/14/2023   05:15:04   (  70.78,  96.21) 07/14/2023   05:15:08  (  70.78,  96.26)    1.72                 4
 07/14/2023   06:05:46   ( -70.69, -96.32) 07/14/2023   06:04:34  ( -70.66, -96.26)    3.30                72
 07/16/2023   17:18:13   ( -70.87,  95.29) 07/16/2023   17:19:02  ( -70.86,  95.37)    3.14                49
 07/16/2023   18:08:56   (  70.71, -97.15) 07/16/2023   18:08:25  (  70.71, -97.19)    1.67                31
 07/19/2023   05:21:35   (  71.52,  93.36) 07/19/2023   05:22:43  (  71.42,  95.26)   68.07                68
 07/19/2023   06:12:05   ( -70.80, -98.07) 07/19/2023   06:12:18  ( -70.82, -98.03)    2.84                13
 07/19/2023   07:02:49   (  70.70,  69.40) 07/19/2023   07:01:41  (  70.67,  69.41)    3.32                68
 07/21/2023   18:15:15   (  70.84, -98.93) 07/21/2023   18:16:08  (  70.87, -98.94)    3.27                53
 07/21/2023   19:05:57   ( -70.74,  68.55) 07/21/2023   19:05:34  ( -70.76,  68.54)    2.36                23
 07/24/2023   06:18:41   ( -71.81,-101.42) 07/24/2023   06:19:47  ( -71.69, -98.63)   97.85                66
 07/24/2023   07:09:08   (  70.84,  67.60) 07/24/2023   07:09:23  (  70.84,  67.68)    3.01                15
 07/24/2023   07:59:50   ( -70.73,-124.91) 07/24/2023   07:58:49  ( -70.72,-124.84)    2.74                61
 07/26/2023   19:12:15   ( -70.88,  66.74) 07/26/2023   19:13:15  ( -70.88,  66.74)    0.56                60
 07/26/2023   20:02:59   (  70.79,-125.80) 07/26/2023   20:02:37  (  70.78,-125.74)    2.36                22