Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2025 7 19.  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)
 07/19/2025   13:45:50   (  74.05, -37.50) 07/19/2025   13:46:10  (  74.05, -37.44)    1.73                20
 07/19/2025   14:36:32   ( -73.95, 130.08) 07/19/2025   14:35:31  ( -73.97, 130.04)    2.96                61
 07/22/2025   00:07:30   ( -74.03, -12.86) 07/22/2025   00:07:52  ( -74.05, -12.91)    3.20                22
 07/22/2025   00:58:15   (  74.00, 154.52) 07/22/2025   00:57:12  (  74.00, 154.63)    3.29                63
 07/24/2025   10:29:11   (  74.04,  11.68) 07/24/2025   10:29:32  (  74.07,  11.64)    2.86                21
 07/24/2025   11:19:54   ( -73.97, 179.17) 07/24/2025   11:18:53  ( -73.99, 179.14)    1.96                61
 07/26/2025   20:50:52   ( -74.06,  36.21) 07/26/2025   20:51:14  ( -74.05,  36.13)    3.00                22
 07/26/2025   21:41:36   (  74.00,-156.31) 07/26/2025   21:40:34  (  73.98,-156.34)    1.73                62
 07/29/2025   07:12:34   (  74.09,  60.71) 07/29/2025   07:12:54  (  74.08,  60.73)    1.97                20
 07/29/2025   08:03:17   ( -74.01,-131.77) 07/29/2025   08:02:15  ( -74.01,-131.75)    0.76                62
 07/31/2025   17:34:15   ( -74.11,  85.25) 07/31/2025   17:34:35  ( -74.10,  85.30)    2.12                20