Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2025 7 13.  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)
 07/14/2025   17:02:27   (  74.00, -86.53) 07/14/2025   17:02:47  (  74.01, -86.58)    2.28                20
 07/14/2025   17:53:09   ( -73.95,  80.91) 07/14/2025   17:52:07  ( -73.94,  80.91)    1.53                62
 07/17/2025   03:24:07   ( -74.03, -62.01) 07/17/2025   03:24:28  ( -74.05, -61.99)    2.35                21
 07/17/2025   04:14:51   (  73.94, 105.51) 07/17/2025   04:13:49  (  73.93, 105.44)    2.30                62
 07/19/2025   13:45:49   (  74.03, -37.43) 07/19/2025   13:46:10  (  74.03, -37.49)    1.89                21
 07/19/2025   14:36:32   ( -73.96, 130.04) 07/19/2025   14:35:31  ( -73.96, 130.01)    0.98                61
 07/22/2025   00:07:30   ( -74.04, -12.90) 07/22/2025   00:07:52  ( -74.04, -12.94)    1.27                22
 07/22/2025   00:58:14   (  73.97, 154.59) 07/22/2025   00:57:12  (  73.98, 154.59)    0.92                62
 07/24/2025   10:29:12   (  74.06,  11.63) 07/24/2025   10:29:33  (  74.05,  11.60)    1.55                21
 07/24/2025   11:19:55   ( -73.99, 179.14) 07/24/2025   11:18:54  ( -73.98, 179.12)    0.65                61
 07/26/2025   20:50:53   ( -74.07,  36.18) 07/26/2025   20:51:14  ( -74.10,  36.23)    2.90                21