Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2025 7 16.  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)
 07/17/2025   03:24:07   ( -74.02, -61.98) 07/17/2025   03:24:29  ( -74.01, -62.08)    3.11                22
 07/17/2025   04:14:52   (  73.98, 105.43) 07/17/2025   04:13:49  (  73.95, 105.47)    3.07                63
 07/19/2025   13:45:50   (  74.06, -37.52) 07/19/2025   13:46:10  (  74.05, -37.46)    2.46                20
 07/19/2025   14:36:32   ( -73.95, 130.06) 07/19/2025   14:35:31  ( -73.97, 130.04)    2.15                61
 07/22/2025   00:07:30   ( -74.03, -12.87) 07/22/2025   00:07:52  ( -74.06, -12.91)    2.93                22
 07/22/2025   00:58:14   (  73.96, 154.63) 07/22/2025   00:57:13  (  73.95, 154.52)    3.67                61
 07/24/2025   10:29:12   (  74.05,  11.67) 07/24/2025   10:29:33  (  74.07,  11.65)    2.68                21
 07/24/2025   11:19:55   ( -73.98, 179.16) 07/24/2025   11:18:54  ( -74.00, 179.16)    2.65                61
 07/26/2025   20:50:53   ( -74.06,  36.21) 07/26/2025   20:51:15  ( -74.07,  36.16)    1.46                22
 07/26/2025   21:41:37   (  74.00,-156.32) 07/26/2025   21:40:35  (  74.00,-156.32)    0.16                62
 07/29/2025   07:12:34   (  74.09,  60.71) 07/29/2025   07:12:54  (  74.10,  60.77)    1.89                20