Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2025 6 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)
 06/17/2025   22:13:12   (  74.35,-165.06) 06/17/2025   22:14:21  (  74.27,-163.39)   50.95                69
 06/17/2025   23:03:46   ( -73.88,   3.41) 06/17/2025   23:03:49  ( -73.88,   3.41)    0.28                 3
 06/17/2025   23:54:24   (  73.46, 171.71) 06/17/2025   23:53:14  (  73.51, 170.30)   44.99                70
 06/20/2025   08:34:57   ( -74.57,-141.06) 06/20/2025   08:36:04  ( -74.45,-138.48)   77.86                67
 06/20/2025   09:25:30   (  73.91,  27.92) 06/20/2025   09:25:32  (  73.92,  28.02)    3.46                 2
 06/20/2025   10:16:09   ( -73.69,-164.24) 06/20/2025   10:14:56  ( -73.74,-164.70)   15.68                73
 06/22/2025   18:56:41   (  74.61,-116.59) 06/22/2025   18:57:47  (  74.48,-113.89)   81.42                66
 06/22/2025   19:47:10   ( -73.89,  52.55) 06/22/2025   19:47:18  ( -73.93,  52.54)    3.80                 8
 06/22/2025   20:37:52   (  73.68,-139.63) 06/22/2025   20:36:40  (  73.72,-140.24)   19.43                72
 06/25/2025   06:08:54   (  73.94,  77.01) 06/25/2025   06:09:01  (  73.94,  77.09)    2.52                 7
 06/25/2025   06:59:36   ( -73.85,-115.48) 06/25/2025   06:58:23  ( -73.86,-115.43)    1.54                73
 06/27/2025   16:30:34   ( -73.92, 101.64) 06/27/2025   16:30:47  ( -73.90, 101.52)    3.77                13
 06/27/2025   17:21:19   (  73.86, -90.92) 06/27/2025   17:20:06  (  73.86, -90.90)    0.48                73