Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2025 7 20.  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)
 07/22/2025   00:07:30   ( -74.04, -12.90) 07/22/2025   00:07:52  ( -74.04, -12.95)    1.68                22
 07/22/2025   00:58:14   (  73.96, 154.61) 07/22/2025   00:57:12  (  73.98, 154.60)    2.43                62
 07/24/2025   10:29:12   (  74.06,  11.65) 07/24/2025   10:29:33  (  74.05,  11.61)    1.47                21
 07/24/2025   11:19:55   ( -73.99, 179.13) 07/24/2025   11:18:54  ( -73.97, 179.10)    1.81                61
 07/26/2025   20:50:53   ( -74.08,  36.18) 07/26/2025   20:51:14  ( -74.08,  36.21)    1.06                21
 07/26/2025   21:41:37   (  74.01,-156.34) 07/26/2025   21:40:34  (  74.02,-156.27)    2.58                63
 07/29/2025   07:12:34   (  74.11,  60.69) 07/29/2025   07:12:53  (  74.11,  60.80)    3.54                19
 07/29/2025   08:03:16   ( -73.98,-131.68) 07/29/2025   08:02:15  ( -73.99,-131.80)    3.84                61
 07/31/2025   17:34:14   ( -74.07,  85.35) 07/31/2025   17:34:35  ( -74.07,  85.25)    3.07                21