Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 7 16.  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)
 07/16/2023   17:18:12   ( -70.83,  95.35) 07/16/2023   17:19:02  ( -70.84,  95.34)    1.03                50
 07/16/2023   18:08:56   (  70.72, -97.17) 07/16/2023   18:08:24  (  70.75, -97.13)    3.06                32
 07/19/2023   05:21:35   (  71.54,  93.34) 07/19/2023   05:22:43  (  71.41,  95.24)   68.73                68
 07/19/2023   06:12:05   ( -70.81, -98.10) 07/19/2023   06:12:18  ( -70.80, -98.05)    2.17                13
 07/19/2023   07:02:48   (  70.66,  69.46) 07/19/2023   07:01:41  (  70.66,  69.39)    2.59                67
 07/21/2023   18:15:15   (  70.85, -98.95) 07/21/2023   18:16:08  (  70.86, -98.96)    0.54                53
 07/21/2023   19:05:57   ( -70.75,  68.53) 07/21/2023   19:05:34  ( -70.74,  68.52)    1.11                23
 07/24/2023   07:09:07   (  70.80,  67.66) 07/24/2023   07:09:23  (  70.83,  67.66)    3.26                16
 07/24/2023   07:59:49   ( -70.69,-124.85) 07/24/2023   07:58:49  ( -70.71,-124.86)    1.92                60
 07/26/2023   19:12:16   ( -70.89,  66.72) 07/26/2023   19:13:16  ( -70.86,  66.72)    3.39                60
 07/26/2023   20:02:59   (  70.75,-125.73) 07/26/2023   20:02:38  (  70.77,-125.75)    2.87                21
 07/26/2023   20:53:25   ( -69.80,  43.06) 07/26/2023   20:52:19  ( -69.83,  40.55)   96.52                66
 07/29/2023   08:06:08   ( -70.85,-126.68) 07/29/2023   08:06:30  ( -70.84,-126.65)    1.46                22
 07/29/2023   08:56:51   (  70.70,  40.87) 07/29/2023   08:55:53  (  70.70,  40.80)    2.81                58