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   ( -71.39, -72.14) 07/14/2023   04:25:39  ( -71.26, -70.66)   54.68                69
 07/14/2023   05:15:04   (  70.77,  96.23) 07/14/2023   05:15:08  (  70.79,  96.27)    2.36                 4
 07/14/2023   06:05:46   ( -70.67, -96.30) 07/14/2023   06:04:34  ( -70.68, -96.24)    1.89                72
 07/16/2023   17:18:13   ( -70.85,  95.31) 07/16/2023   17:19:02  ( -70.87,  95.39)    3.56                49
 07/16/2023   18:08:56   (  70.70, -97.13) 07/16/2023   18:08:25  (  70.72, -97.17)    2.96                31
 07/19/2023   05:21:35   (  71.51,  93.39) 07/19/2023   05:22:43  (  71.44,  95.29)   67.55                68
 07/19/2023   06:12:05   ( -70.78, -98.05) 07/19/2023   06:12:19  ( -70.78, -98.08)    1.39                14
 07/19/2023   07:02:49   (  70.68,  69.42) 07/19/2023   07:01:41  (  70.68,  69.44)    0.55                68
 07/21/2023   18:15:16   (  70.87, -98.99) 07/21/2023   18:16:08  (  70.89, -98.91)    3.60                52
 07/21/2023   19:05:58   ( -70.77,  68.50) 07/21/2023   19:05:34  ( -70.78,  68.58)    3.08                24
 07/24/2023   07:09:07   (  70.81,  67.63) 07/24/2023   07:09:23  (  70.81,  67.64)    0.35                16
 07/24/2023   07:59:49   ( -70.71,-124.87) 07/24/2023   07:58:49  ( -70.70,-124.88)    0.71                60