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)
 07/19/2023   05:21:35   (  71.53,  93.35) 07/19/2023   05:22:43  (  71.42,  95.25)   68.41                68
 07/19/2023   06:12:05   ( -70.81, -98.09) 07/19/2023   06:12:18  ( -70.81, -98.04)    1.73                13
 07/19/2023   07:02:48   (  70.65,  69.47) 07/19/2023   07:01:41  (  70.66,  69.40)    2.84                67
 07/21/2023   18:15:15   (  70.85, -98.94) 07/21/2023   18:16:08  (  70.86, -98.95)    1.94                53
 07/21/2023   19:05:57   ( -70.74,  68.54) 07/21/2023   19:05:34  ( -70.75,  68.53)    0.53                23
 07/24/2023   07:09:08   (  70.84,  67.59) 07/24/2023   07:09:23  (  70.83,  67.67)    3.25                15
 07/24/2023   07:59:49   ( -70.69,-124.84) 07/24/2023   07:58:49  ( -70.71,-124.86)    3.13                60
 07/26/2023   19:12:16   ( -70.89,  66.73) 07/26/2023   19:13:16  ( -70.87,  66.72)    2.35                60
 07/26/2023   20:03:00   (  70.79,-125.81) 07/26/2023   20:02:38  (  70.78,-125.75)    2.87                22
 07/26/2023   20:53:25   ( -69.79,  43.07) 07/26/2023   20:52:19  ( -69.83,  40.55)   96.79                66
 07/29/2023   08:06:07   ( -70.84,-126.67) 07/29/2023   08:06:29  ( -70.84,-126.65)    0.76                22
 07/29/2023   08:56:50   (  70.70,  40.88) 07/29/2023   08:55:52  (  70.70,  40.80)    2.88                58