Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2025 7 12.  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)
 07/12/2025   06:40:44   ( -74.00,-111.11) 07/12/2025   06:41:04  ( -74.02,-111.10)    1.75                20
 07/12/2025   07:31:28   (  73.90,  56.44) 07/12/2025   07:30:25  (  73.91,  56.33)    3.44                63
 07/14/2025   17:02:27   (  74.03, -86.61) 07/14/2025   17:02:46  (  74.03, -86.54)    2.13                19
 07/14/2025   17:53:09   ( -73.93,  80.95) 07/14/2025   17:52:07  ( -73.96,  80.96)    2.56                62
 07/17/2025   03:24:07   ( -74.01, -61.97) 07/17/2025   03:24:29  ( -74.02, -62.05)    2.69                22
 07/17/2025   04:14:52   (  73.97, 105.43) 07/17/2025   04:13:49  (  73.96, 105.49)    2.56                63
 07/19/2025   13:45:50   (  74.06, -37.52) 07/19/2025   13:46:10  (  74.06, -37.43)    2.54                20
 07/19/2025   14:36:33   ( -73.99, 129.96) 07/19/2025   14:35:31  ( -73.99, 130.07)    3.62                62
 07/22/2025   00:07:31   ( -74.07, -12.98) 07/22/2025   00:07:52  ( -74.08, -12.87)    3.39                21
 07/22/2025   00:58:14   (  73.95, 154.63) 07/22/2025   00:57:13  (  73.96, 154.55)    2.78                61
 07/24/2025   10:29:12   (  74.04,  11.68) 07/24/2025   10:29:34  (  74.04,  11.58)    3.13                22