Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2025 7 18.  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, -37.48) 07/19/2025   13:46:10  (  74.06, -37.43)    2.54                20
 07/19/2025   14:36:33   ( -73.99, 129.98) 07/19/2025   14:35:31  ( -73.98, 130.06)    2.77                62
 07/22/2025   00:07:30   ( -74.07, -12.96) 07/22/2025   00:07:51  ( -74.07, -12.89)    2.28                21
 07/22/2025   00:58:14   (  73.99, 154.54) 07/22/2025   00:57:11  (  74.01, 154.65)    3.80                63
 07/24/2025   10:29:12   (  74.08,  11.58) 07/24/2025   10:29:32  (  74.08,  11.66)    2.74                20
 07/24/2025   11:19:55   ( -74.01, 179.07) 07/24/2025   11:18:53  ( -74.00, 179.17)    3.33                62
 07/26/2025   20:50:52   ( -74.05,  36.23) 07/26/2025   20:51:14  ( -74.06,  36.16)    2.41                22
 07/26/2025   21:41:36   (  73.99,-156.29) 07/26/2025   21:40:34  (  74.00,-156.32)    1.19                62
 07/29/2025   07:12:34   (  74.09,  60.73) 07/29/2025   07:12:54  (  74.09,  60.76)    0.91                20
 07/29/2025   08:03:17   ( -74.00,-131.75) 07/29/2025   08:02:15  ( -74.02,-131.72)    2.46                62
 07/31/2025   17:34:15   ( -74.10,  85.28) 07/31/2025   17:34:35  ( -74.11,  85.33)    2.20                20