Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 7 21.  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)
 07/21/2023   18:15:15   (  70.87, -98.99) 07/21/2023   18:16:07  (  70.88, -98.92)    2.38                52
 07/21/2023   19:05:57   ( -70.78,  68.49) 07/21/2023   19:05:33  ( -70.76,  68.54)    3.05                24
 07/24/2023   06:18:40   ( -71.80,-101.40) 07/24/2023   06:19:46  ( -71.68, -98.65)   96.65                66
 07/24/2023   07:09:07   (  70.82,  67.63) 07/24/2023   07:09:22  (  70.83,  67.67)    2.28                15
 07/24/2023   07:59:49   ( -70.72,-124.90) 07/24/2023   07:58:48  ( -70.71,-124.86)    1.86                61
 07/26/2023   19:12:15   ( -70.87,  66.75) 07/26/2023   19:13:14  ( -70.90,  66.78)    3.01                59
 07/26/2023   20:02:59   (  70.77,-125.77) 07/26/2023   20:02:37  (  70.76,-125.77)    1.60                22
 07/26/2023   20:53:24   ( -69.78,  43.09) 07/26/2023   20:52:18  ( -69.81,  40.53)   98.71                66
 07/29/2023   08:06:07   ( -70.83,-126.65) 07/29/2023   08:06:28  ( -70.85,-126.63)    2.40                21
 07/29/2023   08:56:51   (  70.74,  40.82) 07/29/2023   08:55:51  (  70.71,  40.83)    2.50                60
 07/31/2023   20:09:17   (  70.90,-127.56) 07/31/2023   20:10:16  (  70.90,-127.53)    1.00                59
 07/31/2023   20:59:59   ( -70.80,  39.93) 07/31/2023   20:59:42  ( -70.78,  39.93)    2.36                17
 08/03/2023   09:03:09   (  70.88,  39.02) 08/03/2023   09:03:29  (  70.86,  39.07)    3.04                20
 08/03/2023   09:53:50   ( -70.72,-153.40) 08/03/2023   09:52:55  ( -70.73,-153.47)    2.66                55