Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 7 28.  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)
 07/29/2023   08:06:07   ( -70.85,-126.67) 07/29/2023   08:06:35  ( -70.82,-126.70)    3.12                28
 07/29/2023   08:56:51   (  70.74,  40.81) 07/29/2023   08:55:57  (  70.75,  40.86)    2.28                54
 07/31/2023   20:09:19   (  71.02,-127.74) 07/31/2023   20:10:31  (  70.95,-127.53)   10.82                72
 07/31/2023   20:59:59   ( -70.82,  39.91) 07/31/2023   20:59:57  ( -70.82,  39.93)    0.80                 2
 07/31/2023   21:50:36   (  70.34,-152.02) 07/31/2023   21:49:25  (  70.42,-153.00)   37.37                71
 08/03/2023   09:03:09   (  70.89,  39.00) 08/03/2023   09:03:54  (  70.87,  38.98)    2.08                45
 08/03/2023   09:53:51   ( -70.79,-153.52) 08/03/2023   09:53:19  ( -70.79,-153.48)    1.37                32
 08/05/2023   21:06:32   ( -71.79,  36.63) 08/05/2023   21:07:38  ( -71.70,  39.27)   92.58                66
 08/05/2023   21:57:00   (  70.87,-154.44) 08/05/2023   21:57:14  (  70.87,-154.37)    2.42                14
 08/05/2023   22:47:41   ( -70.72,  13.13) 08/05/2023   22:46:40  ( -70.74,  13.07)    3.20                61
 08/08/2023   10:00:07   ( -70.90,-155.27) 08/08/2023   10:01:13  ( -70.91,-155.34)    2.77                66
 08/08/2023   10:50:51   (  70.80,  12.20) 08/08/2023   10:50:36  (  70.80,  12.15)    2.06                15
 08/08/2023   11:41:20   ( -70.02,-179.25) 08/08/2023   11:40:12  ( -70.11, 178.80)   74.74                68
 08/10/2023   22:53:59   ( -70.89,  11.27) 08/10/2023   22:54:33  ( -70.92,  11.31)    3.00                34
 08/10/2023   23:44:43   (  70.80, 178.73) 08/10/2023   23:43:56  (  70.80, 178.80)    2.32                47