Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2025 7 25.  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)
 07/26/2025   20:50:53   ( -74.10,  36.12) 07/26/2025   20:51:13  ( -74.09,  36.23)    3.66                20
 07/26/2025   21:41:36   (  73.98,-156.27) 07/26/2025   21:40:34  (  73.98,-156.34)    2.29                62
 07/29/2025   07:12:34   (  74.08,  60.75) 07/29/2025   07:12:54  (  74.06,  60.70)    2.44                20
 07/29/2025   08:03:17   ( -74.01,-131.75) 07/29/2025   08:02:15  ( -73.99,-131.80)    2.43                62
 07/31/2025   17:34:15   ( -74.10,  85.27) 07/31/2025   17:34:34  ( -74.11,  85.33)    1.71                19
 07/31/2025   18:24:59   (  74.04,-107.26) 07/31/2025   18:23:54  (  74.04,-107.15)    3.10                65
 08/03/2025   03:55:56   (  74.10, 109.87) 08/03/2025   03:56:14  (  74.08, 109.81)    2.32                18
 08/03/2025   04:46:39   ( -74.01, -82.61) 08/03/2025   04:45:35  ( -74.02, -82.66)    1.83                64
 08/05/2025   14:17:36   ( -74.12, 134.40) 08/05/2025   14:17:53  ( -74.11, 134.39)    1.18                17
 08/05/2025   15:08:19   (  74.01, -58.03) 08/05/2025   15:07:13  (  74.02, -58.12)    2.86                66
 08/08/2025   00:39:17   (  74.12, 158.96) 08/08/2025   00:39:31  (  74.14, 159.01)    2.11                14