Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2025 7 10.  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   06:40:45   ( -74.02,-111.16) 07/12/2025   06:41:05  ( -74.00,-111.15)    2.86                20
 07/12/2025   07:31:29   (  73.93,  56.38) 07/12/2025   07:30:25  (  73.94,  56.39)    1.13                64
 07/14/2025   17:02:27   (  74.01, -86.55) 07/14/2025   17:02:47  (  74.01, -86.59)    1.51                20
 07/14/2025   17:53:10   ( -73.95,  80.90) 07/14/2025   17:52:08  ( -73.93,  80.91)    1.98                62
 07/17/2025   03:24:08   ( -74.03, -62.02) 07/17/2025   03:24:29  ( -74.05, -61.99)    2.41                21
 07/17/2025   04:14:51   (  73.94, 105.50) 07/17/2025   04:13:49  (  73.93, 105.43)    2.42                62
 07/19/2025   13:45:49   (  74.03, -37.44) 07/19/2025   13:46:10  (  74.03, -37.49)    1.56                21
 07/19/2025   14:36:32   ( -73.96, 130.04) 07/19/2025   14:35:31  ( -73.96, 130.02)    0.53                61
 07/22/2025   00:07:30   ( -74.04, -12.89) 07/22/2025   00:07:52  ( -74.05, -12.93)    1.45                22