Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 7 24.  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)
 07/26/2023   19:12:15   ( -70.87,  66.76) 07/26/2023   19:13:15  ( -70.86,  66.72)    1.98                60
 07/26/2023   20:02:59   (  70.77,-125.76) 07/26/2023   20:02:37  (  70.78,-125.74)    1.61                22
 07/26/2023   20:53:24   ( -69.78,  43.10) 07/26/2023   20:52:18  ( -69.83,  40.55)   98.24                66
 07/29/2023   08:06:07   ( -70.83,-126.65) 07/29/2023   08:06:29  ( -70.82,-126.67)    1.19                22
 07/29/2023   08:56:51   (  70.73,  40.83) 07/29/2023   08:55:51  (  70.74,  40.87)    2.23                60
 07/31/2023   20:09:17   (  70.90,-127.55) 07/31/2023   20:10:17  (  70.89,-127.55)    0.58                60
 07/31/2023   20:59:59   ( -70.80,  39.94) 07/31/2023   20:59:42  ( -70.82,  39.99)    2.86                17
 07/31/2023   21:50:26   (  69.80,-151.20) 07/31/2023   21:49:20  (  69.86,-153.73)   97.29                66
 08/03/2023   09:03:08   (  70.88,  39.02) 08/03/2023   09:03:29  (  70.86,  39.08)    2.46                21
 08/03/2023   09:53:49   ( -70.72,-153.41) 08/03/2023   09:52:55  ( -70.73,-153.47)    2.60                54
 08/05/2023   21:06:15   ( -70.90,  38.20) 08/05/2023   21:07:20  ( -70.88,  38.12)    3.29                65
 08/05/2023   21:56:59   (  70.81,-154.34) 08/05/2023   21:56:42  (  70.81,-154.33)    0.30                17